MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress sites, forming a link farm likely designed to redirect users to malicious or phishing content. The presence of these links and the overall detection indicate a phishing or content-redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607cdfe85ec07---17138437400.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/4v8u8r1b92kiaiuuuoqo9pj5l4/fodobe.pdf
- https://decoveinvestment.com/userfiles/file/78150525808.pdf
- http://tourister.kr/userfiles/file/gozemulobugozodezulif.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3875a3b0dd---fivuvivanenufimij.pdf
- https://asharfilalkulfi.com/ckfinder/userfiles/files/34536683053.pdf
- http://wjcopy.com/upload/files/totaxagusuwanumubifu.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ael27ksg47t2s9l5c5qupcrqlp/38560811164.pdf
- https://ubranni.com/uploader/files/mirajipamotazeva.pdf
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/0h32sm7acirelufo55qblhg1e1/53936494439.pdf
- https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/3e471628003672c2a9a2404c1f66a8c3/76985062122.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160810f3e3eb80---kilawubawepi.pdf
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/958bb88265bfe8547685922b192fb68b/13524554526.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/0faaf90e914e843d708be07bf6c59cb4/warimij.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/c89af93205c105f80af226893abefc9c/rawukonekafutip.pdf
- http://congtydaihai.com/upload/files/18930093403.pdf
- https://www.euroservicemilano.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c112012663a---63222721000.pdf
- http://pokorny-podlahy.cz/UserFiles/File/85432992129.pdf
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/130eb260541168bf0a23ea88ba4732b2/73161707919.pdf
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/4n423gmn9co42r7imiiep73u7r/22263416428.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce23002e54---gajel.pdf
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1dbdbd4fa3---sifubebep.pdf
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/004f0b6s5g2c3p0clogohsnlg7/xodex.pdf
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/2c4621a0ee974a3c302e86f6ad4c5951/63562666978.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=infected+in+the+world
- 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_off0000ed8b.bin3b0e199ad2cacdb0cdf2831ee048a8b4fad2c576d1a68239ed32ec80ac49129e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED8B | 17124 bytes |
font_01_sfnt_off00011a24.bindf5b868c20af7085f9eaf08b9e04225361f7b73c9d2cbf70815b056515e4ca0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A24 | 10280 bytes |
font_02_sfnt_off00013134.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13134 | 16792 bytes |
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