MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised CMS upload directories and disposable domains, indicating a link farm designed to lure users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://garglob.ru/uplcv?utm_term=words+with+bi+at+the+beginning PDF link annotation
- http://xn--zb0bw3kv4s8mn.com/upload/fckeditor/file/88888942106.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16135b5f8b7f6e---kixolafewonobo.pdfIn PDF document text
- http://yeditepegumruk.com/userfiles/53172730082.pdfIn PDF document text
- http://nhatrangpalace.net/app/webroot/upload/files/xoxiwinogotiduzasofogame.pdfIn PDF document text
- https://ww150004.linebot.net/upfile/files/20210910054853.pdfIn PDF document text
- http://goldenagegroup.vip/userfiles/file/mujimataxovojotib.pdfIn PDF document text
- http://thibangoto.com/app/webroot/uploads/files/32521462775.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132395d62a9a---jasuzeriro.pdfIn PDF document text
- https://www.khaosanpools.org/ckfinder/userfiles/files/41099225994.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/36h81v87qhus3vkdknipjmspgr/xinaporovadazobu.pdfIn PDF document text
- http://flooroverstock.com/admin/userfiles/file/diwekezev.pdfIn PDF document text
- http://fli.edu.mn/ckfinder/userfiles/files/kulemifos.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/161408da74ee18---33968616645.pdfIn PDF document text
- http://yomamasushitogo.com/uploads/files/50338560770.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/167162303.pdfIn PDF document text
- http://robalton.es/Albums/images/file///ratuxe.pdfIn PDF document text
- http://dd-eng.com/files/files/1937859645.pdfIn PDF document text
- http://mylodge-naoshima.com/images/blog/file/vikidogovu.pdfIn PDF document text
- https://literie-depot.fr/UserFiles/file/banuborigovetoleridir.pdfIn PDF document text
- http://akademibt.com/resimler/files/jikopufuwatinepepejizewe.pdfIn PDF document text
- https://equinox-e.com/upload/UserFiles/file/78572855651.pdfIn PDF document text
- https://marlin-aquarium.ru/ckfinder/userfiles/files/94190864162.pdfIn PDF document text
- http://pro-group.ru/userfiles/files/94953587666.pdfIn PDF document text
- https://cincia.ro/ckfinder/userfiles/files/kululotujoli.pdfIn PDF document text
- https://snowcat.pl/admin/ckfinder/userfiles/files/nulodinufifek.pdfIn PDF document text
- 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_off0000d864.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD864 | 10700 bytes |
SHA-256: 95192bc79aed2cbc5c1f2ff6894e90d41027b22103625435bbb7c6d290429b95 |
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font_01_sfnt_off0000f0bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0BC | 18152 bytes |
SHA-256: 1529853cb77cab1cfb49190e6b0adcfca6cba9fc371b4ed52b649bdb54ed407c |
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font_02_sfnt_off00011fc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FC7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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