MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this. Although no scripts were explicitly extracted, the nature of the links and the overall detection suggest it's likely a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://allytemp.ru/uplcv?utm_term=voice+changer+during+call+android+free+download
- https://hzautomatisering.nl/userfiles/file/67821518.pdf
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614647b3bc872---lopiwalesigofexugivexubas.pdf
- http://goldsunjsc.com/upload/files/60342219227.pdf
- https://bywuf.org/upload/editor/files/24806515458.pdf
- http://joyear.com/ckfinder/userfiles/files/88153199679.pdf
- http://studiolorenzoni.eu/userfiles/files/lexegu.pdf
- https://www.smartfutureexpo.com/ckfinder/userfiles/files/pogufuradunug.pdf
- http://dtmaso.com/public_html/Imagens/file/27411973287.pdf
- https://projekt-lesen.de/userfiles/file/vubolotegubupabu.pdf
- http://ewtch.com/upload/files/76700141855.pdf
- http://evohome.pl/userfiles/file/punisotasiwowopin.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613d3590804fc---pabumenig.pdf
- https://eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/41499077968.pdf
- http://parcroyale.hk/userfiles/kinedajabubukefupixiwinem.pdf
- https://daquin-ferriere.fr/userfiles/file/70484069622.pdf
- http://agriturismoilnoceto.com/userfiles/files/6237160603.pdf
- http://herningbadintra.dk/app/webroot/upload/files/tekobovonokejov.pdf
- http://cameradungphat.com/uploads/files/kudumuporaku.pdf
- http://otestmanager.org/club/data/userfiles/file/20210913020340.pdf
- https://ginniglobal.com/uploads/file/pofadudaloguwufebifufa.pdf
- http://chinawin-consult.com/userfiles/fitumaguvafixetibedusosum.pdf
- http://gsprojekt.eu/userfiles/files/fozazatanuwe.pdf
- http://lnaixi.com/userfiles/file/20210904160811_991604190.pdf
- http://solarexperte.ch/fckeditor/editor/images/file/75759684191.pdf
- http://bhavalaya.org/ckfinder/userfiles/files/99592002933.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d6ea963c79---4574081982.pdf
- http://banner-ever.com/ckImg/files/jadoxasiwizixugesox.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_off0000f2e6.bin76560e155626e4c49114f5b5f2cdfb08efe9b7a97cf136b0b96f7ce1a364a243 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E6 | 17872 bytes |
font_01_sfnt_off000120ff.bin6e0fe102d0652bf74d203fe9f97046433011dda5530afe51e2c3f50a5bc8dec8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120FF | 10644 bytes |
font_02_sfnt_off00013922.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13922 | 16792 bytes |
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