MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The 'SE_CALLBACK_LURE' heuristic indicates the document is designed to trick the user into calling a phone number, consistent with callback phishing or tech-support scams. The presence of numerous embedded URLs pointing to potentially compromised or disposable hosting further supports a malicious intent, likely to host phishing content or redirect to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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) 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 http://vankouwenenmastop.nl/UserFiles/file/65067195730.pdf In PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d113766e3e---tipiv.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/232d0a91e10e3220f5812f7acfbece32/54305035035.pdfIn PDF document text
- http://www.lasallelille.com/admin/ckfinder/userfiles/files/konesafomapimozuvono.pdfIn PDF document text
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/58084455074.pdfIn PDF document text
- https://brs.jo/userfiles/files/82886284370.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608145d33d126---nelav.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/8271b8f203e11390eb3959ee1280beff/92655247049.pdfIn PDF document text
- http://bptramptour.pl/files/file/zixewapefad.pdfIn PDF document text
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/04c91879c1f5e78430612dc860ddfb3d/niwakunamovudigurafuv.pdfIn PDF document text
- http://asbazainville.org/userfiles/file/30731765769.pdfIn PDF document text
- https://abofahed.com/userfiles/file/jitomamanipe.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160f1e8dc2f94f---jodifu.pdfIn PDF document text
- http://synthecinter.com/userfiles/files/xivegetulit.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/74e5cca34288c73006adcc1ee703645d/50306962086.pdfIn PDF document text
- http://studioagm.it/userfiles/files/wopirawapegamebakuz.pdfIn PDF document text
- http://veraschwemmle.de/fckdata/file/69135240380.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c09e7ea4221---76885922066.pdfIn PDF document text
- http://keacg.com/upload/files/xemulibodilavizulo.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cae2acca4a5---34945546219.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/kuzakawumumulex.pdfIn PDF document text
- http://anvlaw.com/userfiles/file/35523582430.pdfIn PDF document text
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/16079cca256261---lupodazijusuvakol.pdfIn PDF document text
- https://vmwarts.com/ecovic/file/13321935436.pdfIn PDF document text
- https://alihuata.com/userfiles/file/1894580525.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=f%C3%BChrerschein+klasse+b+fragenkatalogPDF 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_off0000ea3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA3D | 11016 bytes |
SHA-256: 2ec693c88f857a21a86c8410dedfe053fd26f09407e7946975825d91bf297af7 |
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font_01_sfnt_off000103b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103B4 | 18236 bytes |
SHA-256: d11fe13ae556006576dca516b8f7b673511eb97697c2c7f4a71a774f3a8142af |
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font_02_sfnt_off000131ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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