MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads and disposable hosting, suggesting a link farm designed for SEO manipulation or to distribute further malware. The presence of these links and the overall structure strongly suggest a phishing or malicious redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://metabolit-plus.ru/files/file/motadisukedawijikew.pdf
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16095cf4f68bb1---megonugesadalowoki.pdf
- http://ehoron21.mn/uploads/files/42502411531.pdf
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16080abc9a23db---69706335291.pdf
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/nccervi90egbfksta008albrq4/wujuposelebadowetubugad.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160874a971c900---levigasixesikal.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b821098c421---22436099406.pdf
- https://isleo.com/i_photos/file/22579126760.pdf
- https://tolgyesvolgy.hu/userfiles/file/71473924937.pdf
- https://cvsc.co/userfiles/file/patamew.pdf
- http://thephinhmienbac.com/upload/files/mokawulijopines.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aceeaf7b9ac---64607484309.pdf
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/5cd23a27a811f60a7d1383a43d257ce2/64567049138.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b167dd397a0---duzelopizasebero.pdf
- http://caopump.com/admin/userfiles/file/4183117515.pdf
- http://botosani.ro/img/uploads/file/dogajizubuworazutowura.pdf
- http://bronia.org/userfiles/file/dijugamoromimujomi.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fca4045a4e---xusonaweb.pdf
- https://nhanloc.net/userfiles/file/40286301103.pdf
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/e553c87286fa67695db7e1f920c1a7b2/vozugobureguziket.pdf
- http://czpohledavky.cz/userfiles/files/83207977609.pdf
- https://dp-engineers.com/admin/userfiles/file/manukuvub.pdf
- http://musthighschool.mn/ckfinder/userfiles/files/97331870236.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=solved+problems+in+laser+physics+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_off0000e959.bin774bd725a5d0280a54f627fe106e9c53f7f5c4c189ce6b5b6896449b7b2ba648 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE959 | 11184 bytes |
font_01_sfnt_off00010311.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10311 | 16792 bytes |
font_02_sfnt_off00011b23.bin2ea11e8fbdd5b7d69f4602d1765c6e643c2fb52f6b04e52f4a838b6ee4c3dd10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B23 | 17532 bytes |
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