MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and SE_CALLBACK_LURE heuristics further supports a phishing or scam-related attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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 https://psfund.org/public/uploads/files/cms_files/suvewatozisawurafadesaro.pdf In PDF document text
- http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/34180583693.pdfIn PDF document text
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/lkai85423v6n2d5p0bp0pkktnc/bexax.pdfIn PDF document text
- http://guitarenko.fr/img/files/wazivurejisazaluvu.pdfIn PDF document text
- http://ahkkpcm.org/userfiles/zaraxufikanunovusuwagelu.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/ae7a0f1729a94675268fe5e901700029/1066240190.pdfIn PDF document text
- http://cn-junsheng.com/upload/file///202162165034041.pdfIn PDF document text
- http://zionhillfirstbaptistchurch.com/clients/73368/File/zujak.pdfIn PDF document text
- http://cuatudongnhatrang.com/uploads/files/284532063.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/45612a1969333613b644f3b3ab74e0c5/45638310280.pdfIn PDF document text
- http://jingluo.net/uploadfiles/files/fupudanavesuvotob.pdfIn PDF document text
- http://etabetasurvey.com/userfiles/files/viwesajal.pdfIn PDF document text
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b8748ed6b3a---37661527130.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077588ae284c---92802888776.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b64d7da713c---47490638057.pdfIn PDF document text
- https://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/uefu9ud9vv08tvcv4gq89t5uej/54085498288.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609234afd11f7---86441082985.pdfIn PDF document text
- https://jxloanchien.com/style/postimage/file/34367002335.pdfIn PDF document text
- http://janandpoos.com/clients/872640/File/79531643486.pdfIn PDF document text
- https://duzcanlargroup.com/Images/Media/files/nebijema.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3281c4346b---88081502284.pdfIn PDF document text
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/44e104726b3051264d0dde8772e016a8/jixazarisutadudavogetus.pdfIn PDF document text
- http://amctop.com/board_data/editor_img/file/202105241838.pdfIn PDF document text
- http://kadernictvo-svetlana.sk/editor_uploads/system/files/voximozoma.pdfIn PDF document text
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/udgoqgr8pkbfjsdhhhgcd26sj2/bafowonivaligesokili.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=baixar+jogos+de+psp+para+androidPDF 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_off0000d4c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ecdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECDD | 10708 bytes |
SHA-256: 3d6bc57fd70aeefd5d5a4e9fc02546b3ea2cf62b7d4148e52bc21e0ddd15aa3e |
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font_02_sfnt_off00010550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10550 | 18320 bytes |
SHA-256: 9b93dab36a5a45b073c525b6de035db342f311bf9d184b1a23b7242d2ae6f6bd |
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