MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous links to compromised WordPress upload storage and disposable hosting, characteristic of a link farm used to obscure malicious destinations. The 'SE_CALLBACK_LURE' heuristic suggests the document may also be designed to trick users into calling a fraudulent support number, further supporting a phishing or scam-related attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/4r0kf996iisomp6f3v3auk3vmg/tumunerepovekegulamadafot.pdf In PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783a58557f2---15288063568.pdfIn PDF document text
- http://sbhs1967.com/clients/8/89/8985ce50e7417da620f75e2af787291b/File/45474635883.pdfIn PDF document text
- http://irishheritagesociety.net/clients/7/7f/7f3653e4c5d791bf76f28d2bf9929747/File/siduduvezugolobesexapupub.pdfIn PDF document text
- http://bjsprt.com/uploadfile/file///2021050914563585.pdfIn PDF document text
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/krpa10luvlajefiee6q1pio2o6/32306701706.pdfIn PDF document text
- http://kistours.hu/userfiles/file/80035296840.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160b49156ceb4c---38848655211.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608999ec83d48---84304952719.pdfIn PDF document text
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/dpo48sp0aq30plgajretckjob2/11626463938.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b4a973d6f---vafusujajopitexemo.pdfIn PDF document text
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/811jgvv6od5ijr4k1rd90jv6a2/45378146067.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160844cc14da96---zusajituzakizif.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f797d98b6ead74454186aa343add1d91/sugufoj.pdfIn PDF document text
- http://cerezolorente.com/files/cerezolorente/_repo/file/wivolexibovuxita.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/3942369421.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/jpj1l58snlv6h41ctqckquopn5/25073443265.pdfIn PDF document text
- https://arichaindia.com/userfiles/file/62122267093.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ce6eaff77---purevukufu.pdfIn PDF document text
- http://ekhoron21.mn/uploads/files/48952885697.pdfIn PDF document text
- http://oicenglish.com/imagexx/files/nonolafinepivupakerez.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/7e9f080ea1841fdb8511463a841a1143/36608247764.pdfIn PDF document text
- http://broadmoor80.com/clients/866172/File/60788339377.pdfIn PDF document text
- http://renovator.cz/files/file/33590280747.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160ba603e5ec10---jefemu.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/t1qq0dnq6e7heoqhpqrrg38bhr/wikikisiwul.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=peg+perego+battery+charger+manualPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000111cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000129e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129E6 | 10916 bytes |
SHA-256: 01df5acae491efa661048431e1a44d587ea1559d4865b459a9e18935a697ccd6 |
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font_02_sfnt_off000142d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142D0 | 19992 bytes |
SHA-256: 0486b6608c0ced99e0c78c274cb11b632754184e4d8f2fd3bd4e901a8e544bcd |
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