MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://druttle.ru/strik?utm_term=molecular+cell+and+developmental+biology+ucsc PDF link annotation
- https://forilulan.weebly.com/uploads/1/3/1/4/131408022/6799937.pdfIn PDF document text
- http://pumujavebedopa.iblogger.org/percy_jackson_and_the_lightning_thief_cast_marie_avgeropoulos.pdfIn PDF document text
- https://niwuxepajo.weebly.com/uploads/1/3/4/6/134669398/863922.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/a16f677f-af80-4076-bbd3-33a81d52aec9/a_discovery_of_witches_season_1_episode_6_recap.pdfIn PDF document text
- https://6440a9f6-5e82-4153-977b-4ffe9374ec4a.filesusr.com/ugd/7182f3_eaebfea9bfce494a9dc15b881cf7e3ed.pdf?index=trueIn PDF document text
- https://ce2645ba-e89a-43d5-afff-5c0150757291.filesusr.com/ugd/c63dba_b4c91d337e5546be9130bb7ab7ef110d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2d39a188-6f5e-41a2-9bfc-e82b55741735/34806429477.pdfIn PDF document text
- http://dasopikabuma.rf.gd/a_thousand_splendid_suns_sparknotes_chapter_18.pdfIn PDF document text
- http://dowomux.rf.gd/gimideluzexesalelonax.pdfIn PDF document text
- http://zipokuxabatu.rf.gd/81411513994.pdfIn PDF document text
- https://0ea1ff7f-05b3-43a2-9744-178351a05ed1.filesusr.com/ugd/01f9b9_d6d692f5b6cf484185f433b66da82f14.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/132f617a-08c6-4a53-b722-39a2f30ebc71/11645604451.pdfIn PDF document text
- https://d992f69e-bc5b-430a-92d7-abfd66d0380b.filesusr.com/ugd/6f7357_da6a1c4285534c6eb28df20d33c795f3.pdf?index=trueIn PDF document text
- https://d4508431-0eee-4913-ac2a-2ec907ed9b18.filesusr.com/ugd/12daa7_905d6c9c608849c490af9575c1bfa9b0.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8fac6b78-5201-4627-b48e-e01e3bbb3e41/how_to_clean_a_marlin_lever_action_30-30.pdfIn PDF document text
- https://78f121e6-5824-477f-9480-4bf23eba804c.filesusr.com/ugd/9564ad_45e2e1b89d7d41448274c77089676f11.pdf?index=trueIn PDF document text
- https://6558ac43-984d-4e3a-97a1-dec8860611ed.filesusr.com/ugd/c73740_2dd9a8e562cf4da48f4bd404ef04c869.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c98e3811-5d9c-4ff0-bc6e-d91603544d5c/what_is_hr_audit_checklist.pdfIn PDF document text
- http://ditipeso.epizy.com/game_gmod_android.pdfIn PDF document text
- https://68fdcf0a-b1f0-4758-9edf-48d2be6d990b.filesusr.com/ugd/ac51ce_8f4b67be54be4c8b961675bdf2da0dbe.pdf?index=trueIn PDF document text
- https://6f46ab72-b8e3-4ec2-8f01-cb5d6491dab7.filesusr.com/ugd/9a120b_aa93cd6c2e1940a88e0b2fc7c4a95f4e.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_off0000ec91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC91 | 5700 bytes |
SHA-256: 8c6829640434febaa2592c092c8c0a2b0ce381f90b8415faf7ba367287cd2e0e |
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font_01_sfnt_off0000fff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFF5 | 11448 bytes |
SHA-256: ad25a6f38611510e40c035216ccbae86b5d59a94e79f6b08067bc56bd888f46d |
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