MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall detection indicate an attempt to exploit users through deceptive redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://kapelski.pl/userfiles/file/92256325582.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/864c02268acea0b280d1592a7dfe51fa/12380544462.pdf
- http://archinfo.ru/uploads/file/sisimabojipa.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7b3fa69424b15998421407d50a7fb375/23816903723.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a07241ae79e---poxigapudepade.pdf
- http://allseasonsart.com/uploads/fck_uploads/file/51480889074.pdf
- https://festival.bg/fckeditorfiles/file/pekivotodomuli.pdf
- http://blackhorsesc.pl/userfiles/file/46025794126.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b05db4890c3---84053762498.pdf
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/c601c678e5b875991e2141dd69c45b0c/2507802429.pdf
- https://powermailer.in/userfiles/file/58096647891.pdf
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/0959c4092a35e580bce55d513feebdde/11854419007.pdf
- https://cdpu.net/wp-content/plugins/super-forms/uploads/php/files/049d5f47045ca8712fbca3e2ad74151f/jewus.pdf
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160852fac7cb44---3242535619.pdf
- http://www.anieliasfx.com/uploads/textareas/file/tozedivujuxuvusaba.pdf
- http://tunglamgarden.com/images/fck/file/79654052388.pdf
- http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8806d6330---56650919778.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c97414a1e16---vukeduzupezenem.pdf
- http://dryoucosmeceutical.com/userfiles/files/nigufimus.pdf
- http://accronline.com/userfiles/file/29047048808.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/notnqqjthm4e919h3kpq6nvo1o/xazigemijitekufogebik.pdf
- http://lesbambousbleus.fr/ckeditor/upload/files/tetolazanaralerijutuli.pdf
- http://xn----8sbfeahwarn6ac1adp3fb2p.xn--p1ai/userfiles/file/gojejetubokexozu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=apostrophe+with+last+name+ending+in+s
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec0b.bin24269bc58ba592aa95f23268af24ae3de7009dd272c9a6bb9f9d115f197b384f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC0B | 16828 bytes |
font_01_sfnt_off000117cd.binfe2386e8cde9f7d177d61b508de1130bbf84bbf0efe1e1ce618e75a32717d002 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117CD | 10908 bytes |
font_02_sfnt_off000130bb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130BB | 16792 bytes |
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