MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URIs and is structured as a link farm, indicating an attempt to direct users to potentially harmful websites. The presence of external URIs and the link farm structure strongly suggest a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://coretry.ru/uplcv?utm_term=send+pictures+from+android+to+ipad PDF link annotation
- http://casms.org/atts/news-files/file/97235284941.pdfIn PDF document text
- http://thietkewebbacninh.com/webroot/img/files/wowoze.pdfIn PDF document text
- http://etcad.net/np/upfile/file/wamiterixise.pdfIn PDF document text
- http://ps-chiptuning.hu/userfiles/files/sewarotuwaminakufibogaj.pdfIn PDF document text
- http://tingchucontrol.com/Uploadfiles/files/muxopeti.pdfIn PDF document text
- http://musthighschool.mn/ckfinder/userfiles/files/61824331544.pdfIn PDF document text
- http://goldenteriyaki.com/uploads/files/83735987634.pdfIn PDF document text
- https://olterus.net/contents/files/42701570333.pdfIn PDF document text
- http://borisovhlebprom.by/var/upload/file/68915598404.pdfIn PDF document text
- http://expertsystemgroup.com/file_media/file_image/file/mowaxokileniberu.pdfIn PDF document text
- https://tinnituskozpont.hu/files/53680886477.pdfIn PDF document text
- http://daiichibus.vn/uploads/news_file/86831065928.pdfIn PDF document text
- http://mlsy.cz/images/file/files/jalofojili.pdfIn PDF document text
- https://alharithiforcameras.com/ckfinder/userfiles/files/49268411631.pdfIn PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee74549cff---34315642717.pdfIn PDF document text
- http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/82338315085.pdfIn PDF document text
- https://eghamatsafar.ir/basefile/eghamatsafar/files/sitakuzarotufor.pdfIn PDF document text
- http://0225674989.kad.tw/kads/ckfinder/userfiles/files/16643346060.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/q3r7bppdednppkfstqeradvh0m/zoxisiba.pdfIn PDF document text
- http://delve-cr.com/uploads/72994414569.pdfIn PDF document text
- http://artwatch.ru/userfiles/file/63034745636.pdfIn PDF document text
- http://niktid.ru/userfiles/file/89332790922.pdfIn PDF document text
- http://vijyaiprismcrm.com/userfiles/files/togawesutanofepafibazuxu.pdfIn PDF document text
- http://www.moyekolodin.com/files/muxodedasetizivasibipese.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://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_off0000e2ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2FF | 18196 bytes |
SHA-256: 6609a31e1ed143d195262cbc7672b19c6d4c8da9f1da34d0853a185704a9c855 |
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font_01_sfnt_off000111dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111DC | 10908 bytes |
SHA-256: ae25ddbc66f9f7f96348393da71b52bd3dea837394e1dd0ad8441223016305f0 |
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font_02_sfnt_off00012b18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B18 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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