MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to potentially compromised or disposable hosting. The document body is unreadable, but the presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest the intent is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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 http://autoscuolapezzano.it/userfiles/files/pesami.pdf In PDF document text
- http://ottotech.center/userfiles/file/64326416545.pdfIn PDF document text
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/45517693442.pdfIn PDF document text
- https://indiansabroad.uk/userfiles/file/susepubuvebomujebijafuve.pdfIn PDF document text
- http://koreadramatour.com/FileData/ckfinder/files/20210909_50146A333B29D024.pdfIn PDF document text
- https://aprilboya.com/userfiles/file/pedekinerixamatakazi.pdfIn PDF document text
- http://sjccgy.com/userfiles/file/mulamawafuwu.pdfIn PDF document text
- http://softtox.com/new/userfiles/file/52571335765.pdfIn PDF document text
- http://doorsatyrau.com/ckfinder/userfiles/files/jituso.pdfIn PDF document text
- http://thoitranglani.com/upload/files/rojajigasiwigada.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5b523dfcd---44663242349.pdfIn PDF document text
- http://decaiyun.com/upload/file/21090402520399595429s6dnnak22i.pdfIn PDF document text
- http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/dodoto.pdfIn PDF document text
- https://suadienlanhhanoi.net/upload/files/zixotusokodokazovo.pdfIn PDF document text
- http://surausa.com/uploads/files/tuzuvugilega.pdfIn PDF document text
- https://evrenmentese.com/upload/ckfinder/files/ziluxoja.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/161449e275a208---21477841532.pdfIn PDF document text
- http://dulichtantai.com/files/uploaded/files/nosonujumepinuderososoloj.pdfIn PDF document text
- https://cmf8.ir/data/file/livexe.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/161585595a573b---48663737971.pdfIn PDF document text
- https://sankaibearing.com/userfiles/files/kofonixevep.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/ceff01b9050586f213a297c6f05259d2/zopapurotuminurebifazodow.pdfIn PDF document text
- http://beauty214.com/uploads/files/202109290107359673.pdfIn PDF document text
- https://nissanzorba.ro/ckeditor/ckfinder/userfiles/files/livalitope.pdfIn PDF document text
- http://dentalcenterstudio.it/userfiles/files/fuxiribazevirado.pdfIn PDF document text
- http://acm-medicali.it/userfiles/files/54073392232.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/RhDyTiV0TgQ/uplcv?utm_term=past+perfect+sentence+structurePDF 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_off0000da25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA25 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f23c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF23C | 10316 bytes |
SHA-256: f6e13698c23e5a208ecd0d11e31936f96095db1a1e75fb3f2a7fd27ab81f8142 |
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font_02_sfnt_off000109aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109AA | 18652 bytes |
SHA-256: b91ff41e86b9238bec0fe42f2344e2bbd56de6d95e1376c0fb32ef4a1004553b |
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