MALICIOUS
186
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. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://ponafet.ru/strik?utm_term=red+hat+linux+8+commands+cheat+sheet+pdf PDF link annotation
- http://strgb2.ru/kiwarixotoparigolezalema9fq6v.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4390664/normal_6006436531106.pdfIn PDF document text
- http://bigswinner.space/lake_havasu_fishing_guides1cnpz.pdfIn PDF document text
- http://teatr-art.com/how_to_assemble_a_wind_turbinevbt0w.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4428054/normal_6023d27b622c1.pdfIn PDF document text
- http://betmoy54.com/richard_iii_film_2016bv7kd.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/9ca3719d-337e-4ce0-9466-f2f368ef5972/apc_back-ups_pro_550_manual_espaol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/45835473-33b1-45b5-a7bf-e847cdb52c44/como_puedo_facturar_mis_recargas_telcel.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fbd03333-716d-4df3-b4b7-5b1fe21c4192/easy_veg_sabji_recipes_for_dinner_indian.pdfIn PDF document text
- https://6754c94d-8795-460a-880d-d127bb37d4d4.filesusr.com/ugd/2383dc_ffd082bcebd144e8844026faf80ab3ec.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/3e4f15c4-9f86-421d-8cf0-8bd956aa3a2e/how_to_train_your_dragon_viggo_voice_actor.pdfIn PDF document text
- https://86f5e18a-8766-4ae7-b9bf-31430b627380.filesusr.com/ugd/911c12_5cee59a280464b8881e317ce7a2930af.pdf?index=trueIn PDF document text
- https://536432c6-7160-4795-b32c-faef63afc1c8.filesusr.com/ugd/5e2347_99123d81cdf24d84b251e7dc99039006.pdf?index=trueIn PDF document text
- https://27f1a270-5048-4778-87f0-574dfe85248a.filesusr.com/ugd/b7306e_a9c275b1820948d999aeb62f2846c528.pdf?index=trueIn PDF document text
- https://e8677ced-6330-435e-8237-200fb10408a4.filesusr.com/ugd/a4c1fa_79466a5051c04dd2bfe9524626a3c205.pdf?index=trueIn PDF document text
- https://5f98d79b-b704-4ecc-a618-200e52db7f79.filesusr.com/ugd/d1a5b7_a98db2ddc0654057bef3f9b74299b21b.pdf?index=trueIn PDF document text
- https://4bd9ed84-c80b-4837-bb2f-b1353ebfd8aa.filesusr.com/ugd/5a1791_f3d281f58b5a4ec69deae992031d05b4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0c2e8b47-2b73-4aef-ac32-7054b4da6b76/perulineguvifarumuz.pdfIn PDF document text
- https://98e80eac-0673-4bf9-a3de-4132461903b3.filesusr.com/ugd/1acd69_b4c94f83f58b4340865a23a53197c4fd.pdf?index=trueIn PDF document text
- https://63d876aa-455f-4c41-9c38-50747f3e0b95.filesusr.com/ugd/a220d5_d5017fae3de54d848214d36e5fafedc6.pdf?index=trueIn PDF document text
- https://9e77dbea-16d6-438e-9859-4a68c5388828.filesusr.com/ugd/3225da_9502b6d9c454485899b3711d2cbb03e0.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_off0000eed5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED5 | 5568 bytes |
SHA-256: 6b579fcd040b0a5f68274f371a941c7885631e097b7d1cef9568b566fd696ace |
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font_01_sfnt_off000101a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101A9 | 10764 bytes |
SHA-256: 527f0c663d7833a670f05e5394f61d2afba2c90d52875339826788d1698cb7fd |
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