MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many pointing to disposable domains, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of external URIs and the PDF_SEO_LINK_FARM heuristic point towards an attempt to redirect users to potentially malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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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://soxebez.ru/award?keyword=saving+your+marriage+before+it+starts+workbook+pdf PDF link annotation
- http://wirelessinfo.ru/jajukesefonos0hyc.pdfIn PDF document text
- https://cdn.sqhk.co/tefozakozup/BMhd6iD/aderant_total_office_support.pdfIn PDF document text
- https://cdn.sqhk.co/joduragenep/GdREjan/51130434484.pdfIn PDF document text
- http://dresdenpharma.ru/dewuwoxepobusippclp.pdfIn PDF document text
- http://baykamif.space/8397657682984fkm.pdfIn PDF document text
- https://cdn.sqhk.co/baxoladipezu/4aKDhfm/personal_protective_equipment_plan_definition.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://57933e30-1e86-4cbe-ad2b-777cb72f9932.filesusr.com/ugd/235f1a_af7712d0900a4e7e8065f96cded337cb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/59348775-01b2-4b7e-84af-5bb3e7ada623/tamiya_king_blackfoot_parts.pdfIn PDF document text
- https://99442e0c-e188-470f-b1e9-a2082f9e7f28.filesusr.com/ugd/2274a7_f12cea59815143ee904bafd7697b8df4.pdf?index=trueIn PDF document text
- https://1618b3f4-dcc0-4047-a816-eeb1cbe43c51.filesusr.com/ugd/a01749_29d5bdbc7aae48a6ad488ba3e6375922.pdf?index=trueIn PDF document text
- https://e691ad07-92dc-45fa-af10-8929b4045ede.filesusr.com/ugd/87b9a8_5dcfe9541b1241108adadaefcafded0b.pdf?index=trueIn PDF document text
- https://a12a05ab-6462-4855-b086-b0a2a961d6d8.filesusr.com/ugd/2c76f4_4fb2cb79db8e42d3ab2587af67256657.pdf?index=trueIn PDF document text
- https://69f6cc44-9198-4e41-bafa-43503dba92bf.filesusr.com/ugd/dec231_889c40f5a80c4df383f66512934b0ea3.pdf?index=trueIn PDF document text
- https://ed0f7819-48b4-4c0d-9119-93de03d81b9c.filesusr.com/ugd/e481ce_c71774e55aac4e1f9a22bea607b4b97d.pdf?index=trueIn PDF document text
- https://8c285b57-3156-47ce-881b-df665acc117b.filesusr.com/ugd/8d46c2_97336515ff3c4a4dbb9f1d73fc1a3eec.pdf?index=trueIn PDF document text
- https://86146b48-cf95-488a-b5a0-22832f4589a6.filesusr.com/ugd/3b4eee_2fddc837ccde4f91a27450ee2a40601b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fd647f18-cecf-4a45-9659-77b41eddfd6a/how_to_do_p90x_without_pull_up_bar.pdfIn PDF document text
- https://aabf49e0-5477-4fd2-8456-a986ef8f2a87.filesusr.com/ugd/9e14ca_2c4ceb98362f44ac8b3f4cbdceef04d2.pdf?index=trueIn PDF document text
- https://78bdfa25-736e-4945-a764-db21511aacb9.filesusr.com/ugd/9bd82e_f6da568770f44783b5997231b3a3ccd3.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_off0000f9eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9EB | 5888 bytes |
SHA-256: acd672ff41096a8980cea4468eb3e679c8c4a1b744f80e4697a0a91f74ba902f |
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font_01_sfnt_off00010e00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E00 | 10980 bytes |
SHA-256: b78aea24589acf83c39eeff8b1505aa704c1487c9d51a24533a751b5c723dda2 |
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