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 0.9998
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://leonvi.ru/123?utm_term=birthday+greetings+photos+free PDF link annotation
- https://sodefabufu.weebly.com/uploads/1/3/4/4/134473286/pamawuti-vobimulota-debunozimevi.pdfIn PDF document text
- https://vogaxuruxav.weebly.com/uploads/1/3/4/3/134352923/titenabomapa-degizurip.pdfIn PDF document text
- https://cdn.sqhk.co/matijamaj/jhhLn8q/71853533121.pdfIn PDF document text
- https://xidujodoj.weebly.com/uploads/1/3/1/0/131071067/kujimafidoxu_zuvifaj_rixeges_xutezowexik.pdfIn PDF document text
- https://cdn.sqhk.co/kopilixa/jifQijd/vifufukogepubuneg.pdfIn PDF document text
- https://cdn.sqhk.co/tedubifo/jdgjOed/66212289175.pdfIn PDF document text
- https://cdn.sqhk.co/wibononuve/deZhhic/bahamas_harvest_church_live.pdfIn PDF document text
- https://cdn.sqhk.co/tazifawixax/ifigbhx/download_game_drive_simulator_2020_mod_apk.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/33a7d9bf-7f22-4cfd-a4e5-77bedf6f4b14/ralafomulelelisoxu.pdfIn PDF document text
- http://jolivuk.rf.gd/82616373600.pdfIn PDF document text
- https://bf5f3f24-cfb9-4aec-9f01-83e6d863dc5b.filesusr.com/ugd/1f4526_2859c06ac849451896d04aefc5a6c994.pdf?index=trueIn PDF document text
- https://ebcfae26-b4e4-4f1a-a5b2-c5bdbddc1bdf.filesusr.com/ugd/259f90_8d34cb85597344ceb27a42b56bcac641.pdf?index=trueIn PDF document text
- https://680e7e7f-99bb-4309-8a01-ecc910dc7690.filesusr.com/ugd/717a42_a768d3534b784e0bbfe29f5bf466c860.pdf?index=trueIn PDF document text
- http://ruxududomaba.epizy.com/10_characteristics_of_good_information.pdfIn PDF document text
- http://novosumagib.epizy.com/periodic_table_o_level_notes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/97740bb4-be94-431c-951d-91220e77d796/skyscan_atomic_clock_86722alu.pdfIn PDF document text
- http://kovudefimure.rf.gd/white_party_background_pictures.pdfIn PDF document text
- http://jemewipubiwu.epizy.com/67277710180.pdfIn PDF document text
- https://de7eff9d-5c50-4122-bb99-ee112abf7a8f.filesusr.com/ugd/db8f21_e92931c1004c49d9902b96d5a54db461.pdf?index=trueIn PDF document text
- http://kidatonababo.rf.gd/18309641902.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_off0000f9f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F4 | 5420 bytes |
SHA-256: c96489688059b62366e02a806b482e52b685ab9948a1f4a8b724ad5441c6916c |
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font_01_sfnt_off00010c6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C6C | 10524 bytes |
SHA-256: d9f541e63c545db52b76f2c89e76fd276bd8917bb45137e32cfc7948aa872444 |
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