MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, with many pointing to disposable domains, suggesting a link farm or SEO manipulation tactic. The presence of external URIs and the overall structure point towards a phishing or redirection attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://zajinet.ru/wix?keyword=lsat+preptest+84+pdf PDF link annotation
- http://viwavidif.getenjoyment.net/87348511937.pdfIn PDF document text
- http://lorakuze.sportsontheweb.net/79806480970.pdfIn PDF document text
- https://kubogetitit.weebly.com/uploads/1/3/4/6/134617613/3054903.pdfIn PDF document text
- http://nigoguno.scienceontheweb.net/68219277644.pdfIn PDF document text
- https://videxopefofima.weebly.com/uploads/1/3/4/1/134131768/wubaneweditafakasa.pdfIn PDF document text
- https://cdn.sqhk.co/midipijikami/jgigfXV/44278315371.pdfIn PDF document text
- http://zuxemesemubozo.mywebcommunity.org/ctet_paper_2_previous_year_question_paper.pdfIn PDF document text
- https://cdn.sqhk.co/pojuzijix/hg8ihhj/defense_zone_3_ultra_hd_pc_cheat.pdfIn PDF document text
- https://dinuboxisoxim.weebly.com/uploads/1/3/1/8/131857966/xunomuvupobal-kerisofo-pugupirekes.pdfIn PDF document text
- https://cdn.sqhk.co/surixirulol/ghhYjeT/78518558550.pdfIn PDF document text
- https://cdn.sqhk.co/xalesikozip/6gdbihW/area_of_2_dimensional_shapes_worksheet.pdfIn PDF document text
- https://mixabukosi.weebly.com/uploads/1/3/4/4/134479433/4134675.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/girilifawuxi/jufemo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d18dc76b-c22d-49ff-89bb-50f92667445f/notelonadoxanududafum.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e715cde1-4d8c-4e37-b5bf-f884fc76a24a/best_choke_tubes_for_stoeger_m3500.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/187652ac-f6a2-4c6e-bbb2-6efec80912f5/2018_toyota_camry_hybrid_xle_for_sale.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc255327-ff57-491e-b63c-a88bf606604a/how_to_avoid_yo_yo_dieting.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6415964-3c8a-4db7-b879-d5e92df8820f/setemo.pdfIn PDF document text
- https://s3.amazonaws.com/wizitifowubux/pimujabesuxujevat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4dcd91ab-134c-4ccc-bad1-12a1f693cfa0/66349955721.pdfIn PDF document text
- https://s3.amazonaws.com/dusined/zosuzefati.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7806f6f0-4998-4a39-ab2a-784f015a7219/lidamapezetojuferi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ca7d8909-e61b-40da-8336-dc19a13a65ab/pandaria_flying_wow.pdfIn 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_off0000d334.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD334 | 5228 bytes |
SHA-256: a1ac4f7ffbd5753c12ea480b2aeb6ff90cb60a208ee90fd4d69d24577d790e9d |
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font_01_sfnt_off0000e513.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE513 | 10356 bytes |
SHA-256: c20643128d553910414787439782f190b59d14f28d30d185d4d4847e88f2811e |
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