MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document exhibits characteristics of an advance-fee scam, including lottery or parcel delivery language combined with wording about funds and courier requirements. The presence of numerous external URIs, many pointing to disposable hosting or link farms, suggests a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the ML classifier and ClamAV detection strongly indicate malicious intent, likely involving the exploitation of PDF vulnerabilities to redirect users to malicious sites or download further payloads.
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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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://infrive.ru/uplcv?utm_term=how+to+set+internet+on+android+phone
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a043e4378e---58652738141.pdf
- https://mama-light.net/business_school/uploads/file/guzijovubavedigev.pdf
- http://lunaleo.pl/userfiles/file/pevosixironewigekezuputo.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f24ca54b58---lododorapoporugudosupe.pdf
- http://www.yemany.com/yemfiles/files/53723375447.pdf
- http://ivankotov.ru/img/lib/file/35091899508.pdf
- https://intrigantka.ru/images/userfiles/file/36108808422.pdf
- https://vnsteeldetailing.com/UserFiles/files/lodino.pdf
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/21730802083.pdf
- http://everintelconsulting.com/upload/file/202109140643506594.pdf
- http://thaicockstar.com/ckfinder/userfiles/files/luvapulotokubuf.pdf
- https://terlickodds.cz/www/www/fckphotos/file/54790796678.pdf
- http://ivankotov.ru/img/lib/file/3764058338.pdf
- https://univerosg.com/ckfinder/userfiles/files/wobatujajowutibemepuz.pdf
- https://s-h.cc/uploads/files/202109020342372249.pdf
- http://livestocktool.com/d/files/puvujezuperadusirupibebib.pdf
- http://modelseafarm.com/kweb/ckfinder/userfiles/files/dobaripebuzad.pdf
- https://infotechb2blite.com/bot/ckfinder/uf/files/60825789173.pdf
- http://a1climbing.com/userfiles/files/16645718125.pdf
- http://emons-verlag.net/testarea/cwsCMSlight/media/files/59346317102.pdf
- http://surausa.com/uploads/files/62674182692.pdf
- https://syteq-pro.com/userfiles/file/82980233414.pdf
- http://adamex.ukrkarta.ua/fckeditor/userfiles/file/65308825577.pdf
- http://www.sport-konyv.hu/userfiles/file/28506765807.pdf
- https://venefoil.com/ckfinder/userfiles/files/23804816074.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e83d.bin25034e3dff43199807d6e85a2cd1d1937f9be690570c39f48599611f68d53d8a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE83D | 17620 bytes |
font_01_sfnt_off00011654.bin34fad0c76efaaa6c6654685926ee635e43aa9932e394be75bf8d63ca1f816356 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11654 | 10520 bytes |
font_02_sfnt_off00012e38.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E38 | 16792 bytes |
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