MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It contains an image-based screenshot designed to trick users into clicking embedded links, which point to various compromised or disposable hosting sites. The presence of multiple external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggest an attempt to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://excitechem.com/userfiles/file/sutujegitejefisedezexodi.pdf In PDF document text
- http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/diverewega.pdfIn PDF document text
- http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/59104144426.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2f768bca6---bupujeretejegopafobuwasa.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/k9u8i06144e545fmoceocnvj2b/90605569399.pdfIn PDF document text
- https://ozora.schaffsen.com/contents/file/10957035922.pdfIn PDF document text
- http://studiotipaldo.com/userfiles/files/65299976032.pdfIn PDF document text
- https://dermatologie-chamonix.com/userfiles/file/jabakozefabitazukuwomoxi.pdfIn PDF document text
- http://delfosventures.com/userfiles/files/mubofit.pdfIn PDF document text
- https://renfrewareahealthvillage.ca/ckfinder/userfiles/files/3913917585.pdfIn PDF document text
- http://faptvmedia.com/userfiles/file/tozupezogigerugikig.pdfIn PDF document text
- https://fisheaglesafaris.net/pics/user/file/padabisudok.pdfIn PDF document text
- https://all-stage-meditation.tw/uploads/files/6137b2dfd2904.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/68955361899.pdfIn PDF document text
- http://hotelpenza58.ru/ckfinder/userfiles/files/totowukububot.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/sarekaxamojopepanof.pdfIn PDF document text
- http://kraemer-duennebacke.de/files/file/87185349499.pdfIn PDF document text
- http://flynewsletter.com/uploads/file/53536755249.pdfIn PDF document text
- http://crmloccitanecr.com/campannas/file/41131753220.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/161420bf677e6b---72495807610.pdfIn PDF document text
- http://m2m2design.com/userfiles/39853835473.pdfIn PDF document text
- http://www.siphonicflowmandiri.com/upload/files/20731736996.pdfIn PDF document text
- http://caythuocnam.org/images/files/15748403363.pdfIn PDF document text
- http://uptownchantilly.com/uploads/files/26582331399.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=best+way+to+video+call+between+android+and+iphonePDF 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_off0000af05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF05 | 13876 bytes |
SHA-256: c01efca98ef4c86b9c3db592d6d070df5be9715dd10ed49c9771c6afc482f95a |
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font_01_sfnt_off0000d186.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD186 | 11072 bytes |
SHA-256: 038ffbd37ee0c66360b8ef6565a667abf92eb6f9f87e3f2aca03ed7bacb2422a |
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font_02_sfnt_off0000eb1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB1E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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