MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as 'Pdf.Phishing.Trojan' and an ML classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its direct intent beyond linking to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/57039259260e64ea571118.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/16084dba85c4ad---81914608924.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/778fe306ce0acea8915f481ce5fe5cbd/36810226662.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/g99dkguspv2ivndifisotdflf4/bonajufap.pdf
- http://engineersclasses4competition.com/files/others/romatezewowibirur.pdf
- http://myphamasia.net/upload/files/nujuzemuder.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/e2f172aa7282e20095249c235406297d/59727225137.pdf
- http://sushi-belovo.ru/files/sutumoruwonumajuvubaf.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/vgudeoq2q0d0ehlcins8hrptc8/14002596592.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160780af6d6a53---73458276027.pdf
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/hlpia94gco3c1p9g100bmu9q34/97419069645.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c897dec4b69---tagigukidubuteg.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/i378hkdf3d70a7ubjr3ir00u0h/20323366787.pdf
- https://la-klamm.org/userfiles/file/mopokukajikutaf.pdf
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a06edbbcc6a---98168856464.pdf
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/08dcb15c6d8b587e00645d79249c8a87/55047582749.pdf
- http://iaestedresden.de/userfiles/file/3749687560.pdf
- https://kemxoi.vn/app/webroot/files/images/pages/files/81567726365.pdf
- https://mimpishiosatu.com/contents//files/rukisunekuwap.pdf
- http://hainfelderteich.at/18938737005.pdf
- https://jdlpartnerss.com/userfiles/file/jaxowi.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609c15342bd54---19280313836.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae76d1001c0---xalazojax.pdf
- https://bawwabatrizq.com/userfiles/file/31376352780.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=niki+nihachu+minecraft+skin+namemc
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ed39.bin5233dae705abccb7f55b202a7a6c1cc37f30c0ae55aa8594c5f747788e0f57a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED39 | 17192 bytes |
font_01_sfnt_off00011a57.binadf38969d40f501586e0caf93d33991e243baeeecfe575c4831cdbf64b7044fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A57 | 16336 bytes |
font_02_sfnt_off0001305a.bineac2059d784035098f41d3c2fbf3b7477614be884b3c59e43dec339d5d3b27fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1305A | 10604 bytes |
font_03_sfnt_off00014861.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14861 | 16792 bytes |
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