MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to disposable hosting or compromised CMS uploads, suggesting a phishing or malware distribution scheme. The PDF structure itself appears to be a lure, containing numerous links designed to redirect the user to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://ctapigroup3.com/contents//files/wuzen.pdf In PDF document text
- https://edusfera.pl/upload/file/sezevesugixulerimidokuma.pdfIn PDF document text
- http://phunphu.com/userfiles/file/setududunebanarejevu.pdfIn PDF document text
- http://cen7dias.es/userfiles/files/83319654334.pdfIn PDF document text
- http://dayuntang.com/assets/uploads/ckedit/files/20210820170007.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16115de41d4224---10064567456.pdfIn PDF document text
- https://perfectsextherapy.com/public_html/userfiles/file/vidifu.pdfIn PDF document text
- https://takeorders.online/wp-content/plugins/super-forms/uploads/php/files/jkvteh2jrkllsuk0ucc73lg17n/98234821714.pdfIn PDF document text
- https://hopadive.cz/ckfinder/userfiles/files/45898468289.pdfIn PDF document text
- http://gernano.eu/gfx/userfiles/files/kamuduzigav.pdfIn PDF document text
- https://callmarkinvestments.fortunekenya.com/callmark/files/46287190129.pdfIn PDF document text
- https://togeltop.net/contents//files/26266574537.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/1754490a07f32cb12388f0e09904085a/34452566602.pdfIn PDF document text
- http://essiac.cz/UserFiles/file/84589449226.pdfIn PDF document text
- https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/99284313986.pdfIn PDF document text
- http://thomasgearon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/55223126987.pdfIn PDF document text
- https://gyandeepjkss.org/userfiles/file/70668728668.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/59668620073.pdfIn PDF document text
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/caa045fed032133674c44b0cf2c47d21/62833099505.pdfIn PDF document text
- http://zhuoer.ltd/userfiles/file/dawenexilijomexowifuwuru.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16089e52e426c3---65605273589.pdfIn PDF document text
- https://cowichanseniors.ca/userfiles/file/32749461134.pdfIn PDF document text
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/80rb97skve5ctg7b566g2nppu2/voxovif.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0699010c9---24681323670.pdfIn PDF document text
- https://liderpin.com/calisma2/files/uploads/mesozuguwupazolukapipiva.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=regolamento+emittenti+consob+pdfPDF 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_off0000f170.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF170 | 17300 bytes |
SHA-256: b35380fb23067e7e3015f035ba312d9bcb057447a51db26c8325834679a8fa00 |
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font_01_sfnt_off00011e9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E9E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000136b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136B5 | 11048 bytes |
SHA-256: 429ee63d78e3939b87f870488116ee5a698fec1f58041d72645a0bc2043a8373 |
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