MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://xezojetit.ru/strik?utm_term=calligraphy+letters+tutorial+pdf PDF link annotation
- https://serarabasujuz.weebly.com/uploads/1/3/1/6/131606617/d159d.pdfIn PDF document text
- http://degifutuv.scienceontheweb.net/98325974949.pdfIn PDF document text
- https://wikexedijul.weebly.com/uploads/1/3/4/6/134659224/wimovuzavu_wozosirosejib_jawasev.pdfIn PDF document text
- https://gobajirosalafos.weebly.com/uploads/1/3/5/3/135392744/9722714.pdfIn PDF document text
- http://viputixezererej.66ghz.com/aqueous_humor_dynamics.pdfIn PDF document text
- https://kusafowagu.weebly.com/uploads/1/3/1/8/131871480/bd27a4a6.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/004da31c-5a2e-4dfd-9d47-0939f726e30f/is_flipping_property_profitable_uk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1201889-f2fa-4b6d-9747-f33c11cb3de6/brother_hl-6180dw_fuser_replacement.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1667938e-6232-4b98-94b3-5dbf6dc37371/marotaledoradovupezefe.pdfIn PDF document text
- https://87da31d5-d184-45e7-a456-0ad082c8bd65.filesusr.com/ugd/55e94a_5d3e172bf6af400d848bd745e07c9368.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3929f4f0-52f6-42d7-8ac7-1e1fdcfac720/53395052799.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3186ff5a-27f5-43f0-893e-14fa8b3f225c/the_conference_of_the_birds_ransom_riggs.pdfIn PDF document text
- http://pavemamixazose.rf.gd/how_to_thread_brother.pdfIn PDF document text
- https://s3.amazonaws.com/rupatojuko/6064410409.pdfIn PDF document text
- https://07d68bf2-0661-47e2-9ffe-eae068a071af.filesusr.com/ugd/fef806_4288044659724fabbc39b14cb0ac5cfe.pdf?index=trueIn PDF document text
- http://wutorokanotomav.onlinewebshop.net/77092644392.pdfIn PDF document text
- https://s3.amazonaws.com/rujimidujek/elementary_number_theory_7th_edition_answers.pdfIn PDF document text
- https://51bf459c-6b46-41b0-863f-532cf8a77e0d.filesusr.com/ugd/2eedf1_3d69f395ab5c48cea62d59786d894032.pdf?index=trueIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f952.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF952 | 5308 bytes |
SHA-256: 2340aa4667c74e7818a716823948bcd34aa05b5481323a779df0b5c3d2e2422e |
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font_01_sfnt_off00010b62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B62 | 10472 bytes |
SHA-256: 322a69165ee47ba53fa5500facc3a7afedf7800a13a6f5de17558a47a64871bd |
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