MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of links, many of which point to domains associated with compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving exploitation or redirection to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://polimak.pl/userfiles/file/pesisitofikeponugowaf.pdf In PDF document text
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/2jl4dccdap45c1p0mvlookfu4r/70808581981.pdfIn PDF document text
- http://rockhouseschool.com/rockhouse/uploads/files/duxubidoluzozebawuku.pdfIn PDF document text
- http://hanasushipickup.com/uploads/files/76801947730.pdfIn PDF document text
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d98652bfbe6---525884859.pdfIn PDF document text
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/f02c9de174b924fe7b558d77392faf40/31069434076.pdfIn PDF document text
- https://zzwgjx.com/d/files/dajepijejimadakejifemuvo.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210630_AFABB80CDB8AD6FA.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/28pmu3i8rhc7jqseao814r5ue0/12845446207.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/a66386b1893dbaa155f230bf40b83756/xilufatu.pdfIn PDF document text
- http://cn-biyoute.com/d/files/83209280736.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/fezipiw.pdfIn PDF document text
- http://truhlarstvisollner.cz/data/file/zazabukojaranarizifuz.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/212de3a1a9dfd9d58d7a1e55d26d4ca1/52535930487.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160820c465ea76---62708575878.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/f5utdqhkd2mii7lfqc3vusa4o1/50301801233.pdfIn PDF document text
- http://dentherapia.hu/files/file/tobedusasamebob.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/c471da767d88aaff4b622fe568cd5a43/rojefanapu.pdfIn PDF document text
- http://hani-bee.com/userfiles/files/75800875633.pdfIn PDF document text
- https://xaydungdonggia.com/app/webroot/files/images/pages/files/12559476663.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/7fd2ed138804a5dd80f6d22bf7b399b9/wixujogugiso.pdfIn PDF document text
- https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/8470928095759c17886f24ad06005963/53993401240.pdfIn PDF document text
- http://perchegouet.com/ckfinder/userfiles/files/8917135370.pdfIn PDF document text
- http://cellesekorea.com/ckupload/files/dagadugusamatepuxiku.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a0055ee45c3---rebapuwamel.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=what+is+formative+assessment+pdfPDF 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_off0000d3dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ebf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF3 | 10776 bytes |
SHA-256: 4c6722ad06342c5edda570d58a463127fbc335c8fe4b0c3b039eea34d40ac06d |
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font_02_sfnt_off0001049f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1049F | 16708 bytes |
SHA-256: b75ae9aa7c6757fad37fc56e4d5b0fae48a4adceb8f3cad2505eea3f3d3b2259 |
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