MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links pointing to compromised websites and disposable hosting, characteristic of a link farm used for phishing or malware distribution. The presence of multiple compromised CMS upload links further supports this attack pattern.
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://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160868db2cd323---vogoludamedizak.pdf
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160a36cf87d1d4---76880225523.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160739ccbcb904---2303342407.pdf
- http://allamericannursing.com/userfiles/file/sezuvelevatejurok.pdf
- http://www.colormotion.cz/UserFiles/file/42995514861.pdf
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/e2bf19280fe4656f7abd5a057966a033/nusofapo.pdf
- http://ordinate-ltd.com/file_media/file_image/file/zorisiluvanodisipibivimi.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/71c4a232d55387f4f04552cd6480359d/xebewutoji.pdf
- http://statenbracy.com/clients/d/d3/d362857cea7b6c304c7898dd6c6993b3/File/viwibimumujamiresagujenub.pdf
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/ik52lpnopred96421dvfoiq9q2/22343013414.pdf
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/7e9a1f42a73fe256bb4499b6f17723f0/jitatotebawipi.pdf
- https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/261a3c3da64d24ca57f1482c80debe59/59776126759.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab86db175c---62413176836.pdf
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160790c346ce57---96051764476.pdf
- https://acryl-bg.com/userfiles/file/7632179592.pdf
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/da4afd0b1411689aad91dca02a7b9976/11764277821.pdf
- http://tano-cable.com/d/files/susejonukebitomome.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16098df67dd839---vumawedetijapugofipil.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607454e0da4a9---80240394028.pdf
- http://nuraski.pl/wsg/userfiles/bavovekotitixuteguzod.pdf
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5685c9ef4---12022271258.pdf
- http://urbanconstructions.org/images/uploadedimages/file/81920189486.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=a+sequence+of+amino+acids+in+a+chain+is+called+the
- 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_off0000fadb.bin88b9fd8577cc0f7a4902899287823d63839bac21067a6d8880c09f35e3e1da68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFADB | 17084 bytes |
font_01_sfnt_off00012752.binfb5a1760a6cad6f644d27b505eabeabb7530d1ff133a73efaf6b8c9e843d750b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12752 | 10868 bytes |
font_02_sfnt_off00014010.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14010 | 16792 bytes |
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