MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm designed to distribute malicious content. The presence of a 'download button' heuristic and ClamAV detection further supports a malicious classification. The document body is heavily obfuscated and unreadable, preventing a detailed analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://druttle.ru/award?keyword=restaurant+action+plan+pdf PDF link annotation
- http://instapriz365.site/70453265575ca7yb.pdfIn PDF document text
- https://zuretajobujab.weebly.com/uploads/1/3/1/4/131483148/sexuwemer.pdfIn PDF document text
- http://ita-fitness.fun/dexixutadojit0n5fs.pdfIn PDF document text
- https://vedoguru.weebly.com/uploads/1/3/1/3/131380953/4971011.pdfIn PDF document text
- http://stat-index-co.com/26982200875j1ppu.pdfIn PDF document text
- http://fofolep.mywebcommunity.org/69933724192.pdfIn PDF document text
- http://simultaneously.space/old_town_road_ukulele_tutorial99ebk.pdfIn PDF document text
- http://kimisorunutom.medianewsonline.com/12665224773.pdfIn PDF document text
- http://ladujose.sportsontheweb.net/dogivinajezu.pdfIn PDF document text
- http://perfectiona.online/best_cbt_workbook_for_anxietyh2d4k.pdfIn PDF document text
- https://janirakuvofubej.weebly.com/uploads/1/3/4/7/134734148/4366585.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://229c3593-bb94-4e5d-9b9f-ca3747df48ef.filesusr.com/ugd/145364_794972f1757e436c8ca56afd0d424ec2.pdf?index=trueIn PDF document text
- https://c78267de-509c-4cb0-9394-6b21b7876e04.filesusr.com/ugd/290ce3_0b0a8286663d449182e4b8ba5b299db6.pdf?index=trueIn PDF document text
- https://f039f7e9-c7fa-441d-bf3d-2f0e35d6be10.filesusr.com/ugd/80685d_6364b5646ecd4d99ba767306dfa272c3.pdf?index=trueIn PDF document text
- http://bixagolowetuf.rf.gd/cardiovascular_system_lecture_notes.pdfIn PDF document text
- https://s3.amazonaws.com/wumodukubaru/10967358789.pdfIn PDF document text
- https://s3.amazonaws.com/zaxawetawupo/carrier_air_conditioning_control_manual.pdfIn PDF document text
- http://luregaw.onlinewebshop.net/xarilefozi.pdfIn PDF document text
- https://7afcd0b8-98df-42a4-afe0-9544d44c9539.filesusr.com/ugd/74e9cf_04f539aa986e46a9b3ea93d1223df81b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/webipejonavuv/pujilusewa.pdfIn PDF document text
- http://rovuwuruw.epizy.com/airplay_for_windows_8.pdfIn PDF document text
- https://676a7a22-5bec-432e-92e0-9d4a0a27851c.filesusr.com/ugd/a1fb72_d5e288ad69dd4ff381dab649e5cc15df.pdf?index=trueIn PDF document text
- http://sufazomewugexu.epizy.com/62364898713.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_off0001042e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1042E | 5156 bytes |
SHA-256: 05faccd273640cc4b7ef930061f16f7699a19e5f7d0917a828304d6cbccdfe11 |
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font_01_sfnt_off000115cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115CC | 10908 bytes |
SHA-256: bc36e75bbbfb9f73d251cf7822275047cfda6795ce2dc82d13540b1a56a122cc |
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