MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan distribution attempt. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination. No scripts were extracted, but the overall structure and URL patterns point towards a phishing or malware delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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 https://immo-cjeanpaul.lu/userfiles/files/89520440553.pdf
- http://au-coeur-du-temps.com/userfiles/file/29106980346.pdf
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/011f8254d66c395e4bce063547e3bb27/53232618034.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160823de152ff9---14864600450.pdf
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082d5a81c526---legufofijox.pdf
- https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/b0156591a30ac06dd65f8b2a0470cc45/lexanosusuzafuvam.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f094823fc---65198567306.pdf
- https://nnkcreations.com/userfiles/file/gurapebokofajususo.pdf
- http://aal.tw/uploads/htmlupload/files/88248640566.pdf
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/rc7j7ng7bn3geisq2354fr2c5c/folozimesa.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/g5cokks61g2he43qu9qa6rdgi4/47565847862.pdf
- http://dhleisure.com/ckupload/files/28227490654.pdf
- http://mywayrtk.info/userfiles/file/gupinumi.pdf
- http://pantipplaza.com/userfiles/file/15388765581.pdf
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1609c1f486954a---75677132489.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/c8c0371d907f6e0800a876a6642f1f9f/65280137650.pdf
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/r5h01dilhg7brfq95cg9644ptv/gomumalulofejerokibaga.pdf
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/62e7a227640399d0e04e75d1e95e0dc0/mijugul.pdf
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a787ce0339c---lusetesegesatigasoseru.pdf
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6d8062215054bf58bb7f55993b0895ae/gisijite.pdf
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b091c88cda9---48703221654.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=compress+excel+file+to+pdf
- 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_off0000fd1a.bin91e0a1111ec039052726a08bef31000d4732c74a6f2fc3eb81f17480b6afdbed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD1A | 10648 bytes |
font_01_sfnt_off0001157c.bin03e14a080289a2a75abb1d9b56d6f04d8ae18b0bd483974f86cb8474f80814a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1157C | 17344 bytes |
font_02_sfnt_off000142c7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142C7 | 16792 bytes |
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