MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URLs that redirect to other PDF files, many hosted on disposable domains. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests a common tactic where users are prompted to download an archive, which is password-protected, to bypass security scans. The embedded URLs are likely part of a phishing or malware distribution chain.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://golowaki.ru/wix?keyword=apps2sd+apk+pro PDF link annotation
- https://cdn.sqhk.co/devuzemalut/ighgiea/josapibowetaderokorudixa.pdfIn PDF document text
- https://cdn.sqhk.co/bixatavafut/uigpjf1/red_alert_transformers_cybertron.pdfIn PDF document text
- https://cdn.sqhk.co/pijajawopoji/ZhdWjhh/66514231512.pdfIn PDF document text
- https://cdn.sqhk.co/winogolelog/8Ogchdc/lightning_qr_scanner_app_download.pdfIn PDF document text
- https://cdn.sqhk.co/tisojubew/cQCYjhx/47265317932.pdfIn PDF document text
- https://cdn.sqhk.co/dikapagoloza/hiarcy6/wallpapers_for_phones_4k.pdfIn PDF document text
- https://cdn.sqhk.co/xarazoxege/jB6WRCr/class_diagram_notation.pdfIn PDF document text
- http://neojust.ru/why_is_my_petsafe_wireless_transmitter_beepingbcw2c.pdfIn PDF document text
- https://cdn.sqhk.co/ronelejibir/LxkmjaN/kotifanewiladarotifexem.pdfIn PDF document text
- https://cdn.sqhk.co/mojupesonon/ghMgclS/speedy_cash_title_loan_requirements.pdfIn PDF document text
- http://pixell.store/hamster_meme_template6x196.pdfIn PDF document text
- http://usesucre.pro/479963816962gv5b.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/539eb905-9e44-40f1-9a32-a78fafd974dc/d_and_d_5th_edition_players_handbook_free.pdfIn PDF document text
- https://aee666f7-65d2-4416-8089-42e5bd85255d.filesusr.com/ugd/c4036c_9af3fa7442f64de990f1763c9740598e.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1c1043ec-eb6d-449f-a174-e51a89d4f1e8/how_to_cancel_lease_agreement.pdfIn PDF document text
- https://828c6a01-da61-4814-986a-f72e64f4f334.filesusr.com/ugd/cdfdba_1d8d6ccf39444072b3bc15e054834624.pdf?index=trueIn PDF document text
- https://6525eaf8-9a42-4119-9fb4-c3d475b3b78e.filesusr.com/ugd/80bfa9_aa5141405860473491c72198c646dc40.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e921.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE921 | 5104 bytes |
SHA-256: ad702e8c3301d6210bdebf3a649b9aa05a1e631d43da0a8fbe5f019558a3ee1c |
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font_01_sfnt_off0000fa96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA96 | 14024 bytes |
SHA-256: 8655f7466678e12549b2c993d4975b7196bd25b4d5ebad7ba002eb53e8d51421 |
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font_02_sfnt_off0001249d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1249D | 16988 bytes |
SHA-256: 2b75ed96467a42692cba4d5c8a82b36862c4b4b24342276a45b87b5eb38fa9e8 |
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