MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting a phishing or redirection scheme. The PDF structure and embedded URLs point towards a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
Heuristics 5
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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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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://laborke.ru/uplcv?utm_term=running+dry+reading+answers PDF link annotation
- http://pune-india.info/userfiles/file/gubapovidazede.pdfIn PDF document text
- https://ou-ravda.com/ckfinder/userfiles/files/42377260237.pdfIn PDF document text
- http://giaphatmed.com/upload/file/regeped.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/161333dd10b628---jerebefaraminaseru.pdfIn PDF document text
- https://fallsplat.se/bildbank/file/xaxipo.pdfIn PDF document text
- https://omegaplus.bg/uploads/pages/files/30298276196.pdfIn PDF document text
- https://aviatroglo.fr/IMG/file/wukisaponapetarawopamizu.pdfIn PDF document text
- http://eko-inwest.eu/upload/file/fufenugorikilulitesenig.pdfIn PDF document text
- http://dison.cn/filespath/files/20211003001655.pdfIn PDF document text
- https://aykutemlak.com/upload/ckfinder/files/zaboremix.pdfIn PDF document text
- https://transdeliveris.lt/userfiles/file/54153244925.pdfIn PDF document text
- http://kukubara.com/zdjecia/file/83856848289.pdfIn PDF document text
- https://smsenerji.com/resimler/files/zujimubemigixudon.pdfIn PDF document text
- http://apmnir.ro/fckfiles/file/bigeridame.pdfIn PDF document text
- http://thesnowmanicecream.com/ckfinder/userfiles/files/12844444064.pdfIn PDF document text
- http://gramercy-grand.ru/files/file/lurumatafusofemim.pdfIn PDF document text
- http://stensoproject.com/userfiles/files/zojodabeb.pdfIn PDF document text
- http://sigmabhp.pl/userfiles/file/lukaropajomoduwuk.pdfIn PDF document text
- http://teacherandtraining.com/coj_u/KK/userfiles/files/70975737293.pdfIn PDF document text
- https://www.akilciilacdernegi.com/ckfinder/userfiles/files/54548900704.pdfIn PDF document text
- http://jedzenie365.pl/ckfinder/userfiles/files/73956006364.pdfIn PDF document text
- https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16143ea2143e30---zokup.pdfIn PDF document text
- http://ibconsulting.it/userfiles/files/refivebifoxotinosaxa.pdfIn PDF document text
- http://www.ujepites.hu/userfiles/files/56103503326.pdfIn PDF document text
- http://c2ctrading.org/cms_upload/files/93789784225.pdfIn PDF document text
- http://youngdongtec.com/userfiles/file/gekumemuvapadegifonimulag.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_off0000b237.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB237 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA49 | 15676 bytes |
SHA-256: 04f29e7c68f10763488df852dec4c18e94459f4c6f8dd8b6cde9221e5e8292d1 |
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font_02_sfnt_off0000f15e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF15E | 10504 bytes |
SHA-256: ace90dc0d566c1f36d1f17bd8c26c4477262215b1d950c4fa6cbcc1f9d23927e |
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