MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It functions as a link farm, directing users to numerous compromised websites, many of which host other PDFs. This suggests a campaign to distribute malicious content or phish for credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://manajrgvaaradhi.com/cms-uploads/files/basopuvofefagemam.pdf
- http://springhs1988.com/clients/a/a7/a70db2535ed58991dd9724faf9b165d0/File/23676700546.pdf
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093deeb9ee3c---rolisavulivejilepima.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/9b3014940f29c60ca14b2273e0b1807c/xikekixijuvokagoriw.pdf
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/f3c0a61ed186de57238a66ab8a6f8ca9/fizikogevet.pdf
- http://dailymaydemtien.com/userfiles/files/nisuwutosusawetagu.pdf
- https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/27bfedc15dc1e7a39d530c2b8d044faa/kajofifa.pdf
- https://shipnhanh247.vn/asset/files/getolulewakakimodijago.pdf
- https://actorconseil.com/files/file/nemuzewavojewekuworavovuk.pdf
- https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/1df42c22ba84b4734e8e45f8d6bd07d0/10302526526.pdf
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/16078607a56691---28869481141.pdf
- http://kozszemle.hu/uploads/files/libowuxaven.pdf
- https://reitinguok.lt/userfiles/file/9131264209.pdf
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/3t62jbbn47q22p5vholhjn2m77/8132067641.pdf
- http://alphasigmaoverseas.com/userfiles/file/wadidonag.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16081af6db06d9---58684889258.pdf
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4ccced1ab---kupevidiw.pdf
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a450da1fac3---giwufidiv.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076a05e442da---xowexenisagovizelu.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c85bbe3651---59373737402.pdf
- http://hasyo.net/files/file/50411789505.pdf
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/aa5c11d04a92e49d114b55914da94cb0/28181123403.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=for+a+reason+for+a+season+for+a+lifetime
- 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_off0000ef11.binc59a682e0004e77c949499768e931a216723c020b5f97136caa4cf5dfdf6ecb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF11 | 10352 bytes |
font_01_sfnt_off00010660.bin0a56ca42a04c6c583cd552f7ce566a0ddf5f8d9ccbdee2285bb817cc44e2fe11 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10660 | 16740 bytes |
font_02_sfnt_off000131c6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131C6 | 16792 bytes |
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