MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm with numerous links to disposable hosting, suggesting an attempt to disguise malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://upakuika.com/img/file/87069261942.pdf In PDF document text
- http://bretagne.annuaire-regional.com/ckfinder/userfiles/files/58287988547.pdfIn PDF document text
- https://tselectromechanical.com/uploads/CKfiles/files/78091495347.pdfIn PDF document text
- http://househouse.it/userfiles/files/23750036863.pdfIn PDF document text
- http://fsgzb.com/upfolder/e/files/20210909122918.pdfIn PDF document text
- https://hophamthaibinh.com/upload/files/57983063773.pdfIn PDF document text
- https://hopclickhospitality.com/scgtest/team-explore/uploads/files/dizirijozuwuvesawejolu.pdfIn PDF document text
- https://cafesca.mx/ckfinder/userfiles/files/zesofomoduwabeve.pdfIn PDF document text
- http://influences-vegetales.eu/assets/Image/files/fobepusorifusidebe.pdfIn PDF document text
- https://dadrarad.ro/userfiles/file/90518761292.pdfIn PDF document text
- https://gonguyenkhoi.vn/upload/files/7348962739.pdfIn PDF document text
- http://zygzak.eu/foto_dane/wysiwyg/File/pivagivuw.pdfIn PDF document text
- http://modra-skola.cz/userfiles/file/9318387563.pdfIn PDF document text
- http://inhome360.ru/admin/ckfinder/userfiles/files/33474647595.pdfIn PDF document text
- http://piri-piri.pl/ckfinder/userfiles/files/lojugowolimota.pdfIn PDF document text
- http://studioturina.com/userfiles/files/zixosorubepatojabu.pdfIn PDF document text
- http://cn-biyoute.com/d/files/32029199222.pdfIn PDF document text
- https://lotte-ppta.net/beta/assets/file/jisavewosa.pdfIn PDF document text
- http://gro-felix.si/uploads/jovopuxelipuzulo.pdfIn PDF document text
- http://teamtrinity.net/trinitya/file/34918396390.pdfIn PDF document text
- http://a899.net/userfiles/file/20794077437.pdfIn PDF document text
- http://webinaris.blog/ckfinder/userfiles/publics/files/7526422811.pdfIn PDF document text
- http://korea-labels.com/ckfinder/userfiles/files/pigujasosedadesepitovazav.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/161315cddcaa45---fevanovovuguje.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=apps+like+anyme+xPDF link annotation
- 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_off0000bc42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC42 | 16852 bytes |
SHA-256: a60a380a751cbb8760f2965da46d5f6d0839703454b0c1c906cfd5800c15b85a |
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font_01_sfnt_off0000e7ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7AD | 10384 bytes |
SHA-256: 4ac62314f1e36da9efb2447e034375a7c6690328c3d5ba0ce33b9285c2e400d2 |
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font_02_sfnt_off0000ff26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF26 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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