MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a remote-support lure. 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 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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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/award?keyword=antarctic+peninsula+map+pdf PDF link annotation
- http://duwelizub.mywebcommunity.org/madopuxabitugiluliso.pdfIn PDF document text
- https://kofivenemiwelew.weebly.com/uploads/1/3/1/3/131380814/nigexiranudi.pdfIn PDF document text
- http://sewukagazub.mypressonline.com/42287577579.pdfIn PDF document text
- https://cdn.sqhk.co/besudamuge/lMhcbNv/pockets_billiards_and_brew.pdfIn PDF document text
- https://cdn.sqhk.co/vasibejovej/xKshi2V/neha_kakkar_song_downloadming_2019.pdfIn PDF document text
- https://cdn.sqhk.co/susopavazane/DijUKHi/64441286407.pdfIn PDF document text
- https://dapalijika.weebly.com/uploads/1/3/0/7/130738969/f66e4.pdfIn PDF document text
- https://cdn.sqhk.co/jikowuzu/gjalb9f/kart_mania_one_tap_kart_racers.pdfIn PDF document text
- https://cdn.sqhk.co/fefowofuk/eHjfIQc/tipelo.pdfIn PDF document text
- https://gopabaxofusa.weebly.com/uploads/1/3/5/3/135300850/desus.pdfIn PDF document text
- https://cdn.sqhk.co/rotonoba/0VWjaTP/sanawubodik.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://438e95ed-c264-4db5-88d3-1a9ca8b91b86.filesusr.com/ugd/733c1f_eb499882ad8f48faa53290827ac74578.pdf?index=trueIn PDF document text
- http://nejesezape.myartsonline.com/zowisofuxipivu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d5523d93-e61b-4c88-b6af-5a2b1de001f8/las_batallas_en_el_desierto_en_ingles.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/df7c179f-1a6c-498e-99ee-92d67218803b/how_to_write_a_congressional_letter.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/49e2489b-bc28-4c8b-9db6-b99acd616490/is_there_a_regions_bank_open_on_saturday.pdfIn PDF document text
- https://8dfdba76-182f-4dc4-9dda-37a8c8d09dc9.filesusr.com/ugd/4ae4db_da417758a92d4746bcefcad141699822.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/b945f64f-9fda-49cc-b5cc-cea1405070ea/free_online_english_grammar_book.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_off000173f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x173F0 | 5288 bytes |
SHA-256: 929778b58669a22e3bc8d736cfe96e0194eb7255d0450636cc908e8ace1edf56 |
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font_01_sfnt_off000185d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x185D5 | 14512 bytes |
SHA-256: 264cf76584cf8c381a0da8ef9c609a6318ae85fbb88a54acbeb26b9f784373b5 |
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