MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier strongly indicated maliciousness, and multiple heuristics identified the PDF as a link farm hosted on potentially compromised or disposable domains. The document body is unreadable, but the presence of numerous external links, many pointing to PDF files on various domains, suggests a tactic to redirect users to malicious content or for SEO manipulation. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 5
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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://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/wizuxewavekewobi.pdf In PDF document text
- http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/488513473.pdfIn PDF document text
- https://civilkontroll.hu/uploads/file/44620629612.pdfIn PDF document text
- http://assushop.com/userfiles/assushop.com/file/niwibifolewej.pdfIn PDF document text
- https://suma.ca/upload/editor/file/fadakuzelovesuxe.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce6b10b121---dimalimibaderidi.pdfIn PDF document text
- http://heaig.org/editor/ckfinder/userfiles/files/51423951262.pdfIn PDF document text
- https://metnar.pl/web/uploads/files/59310614523.pdfIn PDF document text
- http://eaupureinternational.com/userfiles/file/25040464808.pdfIn PDF document text
- https://thietbigas.net/media/files/73692671785.pdfIn PDF document text
- https://gilboamedia.com/userfiles/file/89136330703.pdfIn PDF document text
- http://npi-management.com/ressource/site-image/files/kilanesiluvofuparo.pdfIn PDF document text
- http://escritacontabilidade.net/fotos/news/file/64825530008.pdfIn PDF document text
- https://www.aukuras.org/ckfinder/userfiles/files/luzexerilanizezatekexuj.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/9aludj3q913rtnnd02rip94huj/zerejusazuzelu.pdfIn PDF document text
- http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/85983413932.pdfIn PDF document text
- http://vietcem.vn/public/default/ckeditor/files/puligugavosoduramikeso.pdfIn PDF document text
- http://sashtraayurveda.com/ckfinder/userfiles/files/kokibe.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613d642748391---72684926271.pdfIn PDF document text
- http://titadoorbinhduong.com/upload/files/mobipetu.pdfIn PDF document text
- http://vigova.com/Images_upload/files/jikefakefuxalovopuna.pdfIn PDF document text
- http://studiomontironi.eu/userfiles/files/bofotozazuroxerofokazikag.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145480be220b---3646395646.pdfIn PDF document text
- https://plantbiochem.com/ckfinder/userfiles/files/wabuwexemavoxonovava.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=she+was+dating+a+gangsterPDF 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_off0000d753.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD753 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF65 | 16592 bytes |
SHA-256: c3b6b58b7b794ff659efdd00b9b2162088cabdbcbfb4616f68314fb83f328dae |
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font_02_sfnt_off00011a69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A69 | 10524 bytes |
SHA-256: 5d9badaaa7165d6fbc066ce83400fc1b08b598b2abe0625473e3f357c730db46 |
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