MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of numerous external URIs, including a link farm on disposable hosting, suggests an attempt to redirect users to malicious websites. The 'SE_URGENCY_LURE' heuristic further supports the phishing pretext, indicating the document likely contains urgent language to prompt user interaction.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 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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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://wastran.ru/uplcv?utm_term=android+for+windows+pc PDF link annotation
- https://gedayapi.com/userfiles/file/19000935708.pdfIn PDF document text
- http://henca.com/files/details/file/zexisarosezoviwexe.pdfIn PDF document text
- http://dr-onesrl.com/userfiles/files/7794100871.pdfIn PDF document text
- http://thanglong.vn-greenenergy.com/ckfinder/userfiles/files/zizuzafulivubowiwibetoso.pdfIn PDF document text
- http://primaneighbors.com/userimages/56374737825.pdfIn PDF document text
- https://ego-sofa.tw/uploads/files/202109030602323455.pdfIn PDF document text
- http://st-johnson.com/Uploadfiles/files/90673549237.pdfIn PDF document text
- http://cukrarska-vyroba.cz/UserFiles/File/puvifoforewaxuvibole.pdfIn PDF document text
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16135c254a7c61---zekaxukutufupisanukub.pdfIn PDF document text
- http://wpchkg.com/upload/image/file/59351989305.pdfIn PDF document text
- http://fijiembajak.com/uploads/ck_uploads/files/funirorenigiravusakev.pdfIn PDF document text
- https://himalayanwanderer.com/himalayan/userfiles/files/fefipotedezum.pdfIn PDF document text
- http://stainless-faucet.com/uploads/htmlupload/files/noxos.pdfIn PDF document text
- http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/wamejegaw.pdfIn PDF document text
- http://birizgardenhotel.com/userfiles/file/14623463156.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/bopijo.pdfIn PDF document text
- https://kitapkapla.com/upload/ckfinder/files/78971424799.pdfIn PDF document text
- https://keongracun.org/contents/files/bamujabadalesopunulutasu.pdfIn PDF document text
- https://numen-wow.com/userfiles/cloud/files/xasizew.pdfIn PDF document text
- http://potya.com/43226334839.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16132faedcb550---rofaxuvip.pdfIn PDF document text
- http://b40555.handyfriendship.com/upload/files/jexinamevideroxu.pdfIn PDF document text
- http://lejonhund.com/upload/riribumezevubofa.pdfIn PDF document text
- https://himalayanwanderer.com/himalayan/userfiles/files/97843991028.pdfIn PDF document text
- https://fotobolfestmeny.hu/mvc/userfiles/file/4360508435.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_off0000de80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE80 | 18036 bytes |
SHA-256: 1eca99377ac8a9083a1eb79a076fb1903c6891ea82bac15d6ff0c357339dffca |
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font_01_sfnt_off00010c7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C7C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012493.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12493 | 10240 bytes |
SHA-256: f49bab98e90e443a618a05e8ae4a1083214e73e912be2e130e5dda8a001c4b06 |
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