MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to redirect users. ClamAV and ML classifiers strongly indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the structure suggests a malicious PDF designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://orrizon.ru/images/file/29599776418.pdf In PDF document text
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/jovujivupojulipowewilu.pdfIn PDF document text
- http://mynotary.ca/sites/all/sites/mynotary.ca/files/34024297923.pdfIn PDF document text
- http://aa-nusd.jp/58175316041.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/74030743531.pdfIn PDF document text
- http://www.aunay-sous-auneau.fr/ckfinder/userfiles/files/pajetodivudojukuvanun.pdfIn PDF document text
- http://kleinschadenexpert.com/userfiles/file/zotevofapepelosisimi.pdfIn PDF document text
- https://gmnavarra.es/ckeditor/files/salixowis.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/80c0e1fe898de00ff7cc3f33109e333b/84209774348.pdfIn PDF document text
- http://asckhn.com/acskhn/userfiles/file/99994829095.pdfIn PDF document text
- http://nfrostov.ru/upload/files/96578463001.pdfIn PDF document text
- https://oldgradeducation.com/ckfinder/userfiles/files/90207675168.pdfIn PDF document text
- http://mikomisushi.com/uploads/files/26070514254.pdfIn PDF document text
- https://nstyapi.com/resimler/files/17406347977.pdfIn PDF document text
- http://indianspringhomes.com/userfiles/files/59443633328.pdfIn PDF document text
- http://melly-incendie.fr/img_db/zojubawe.pdfIn PDF document text
- http://unternehmensberatung-hegenbarth.com/userfiles/file/sasuba.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/e062c4269fe4b06e874b95975cbba5eb/taronesekevukaledovazeti.pdfIn PDF document text
- http://tahi.hu/ckfinder/userfiles/files/jagarudabujitojemalebofok.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/d76u7v7i2leu25rtphkevraqcl/mowegijudawomesovowumub.pdfIn PDF document text
- http://aan.kz/ckfinder/userfiles/files/75015896374.pdfIn PDF document text
- http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/44089820826.pdfIn PDF document text
- http://huthamcauquanggiap.com/upload/files/7240464293.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=archive+org+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_off0000b16c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB16C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c97e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC97E | 14972 bytes |
SHA-256: 73eefc348a72a7437b782e10143c605ccea21b9797055e9794f6dd171e3d2f43 |
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font_02_sfnt_off0000ef32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF32 | 10368 bytes |
SHA-256: 364907229157434ed29095c8914a6039c4da4e0b2668994faabff2fb97616d9a |
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