MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous URLs pointing to potentially compromised websites, suggesting it functions as a link farm to distribute malicious content or conduct phishing attacks. The presence of multiple distinct hosts and the use of 'utm_term' in one URL further support the link farm and potential phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/ee6fba31789850b8ee751e19b5e95732/14557871643.pdf
- http://iberia-ex.com/images/blog//file/15460617603.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160974cb2d25e6---jepodi.pdf
- https://tonwen.org/userfiles/file/60647446741.pdf
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6262f3bf2---kipadirogebezonipapu.pdf
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609830825970e---48616333010.pdf
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16077c352c8af2---45997941585.pdf
- https://media-get.ru/userfiles/files/25093696642.pdf
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/2d2537a511656ca0f3f0d01f87dfcb6d/74658967149.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16097d565d6e45---19838988896.pdf
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160830b2053e65---30181087234.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/c9ad0b3d36947b37618f64dc7aaf0acc/63336839853.pdf
- http://www.doctor-carpet.com/wp-content/plugins/super-forms/uploads/php/files/eg0bjfetslhgbgnfl29eicj5n1/suwusidadelunopitavalux.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160720f3211a11---nopolikomifofizatet.pdf
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//lopumefu.pdf
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/48cff116b0fdaded53f9cfed4f8d1c77/48462019876.pdf
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/160a8ce6eefebc---rumisezuvelubaji.pdf
- http://mackielaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fusutebobafegirape.pdf
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/0f4f87c5a77c4cd46217ba12a4191490/69432873019.pdf
- http://altaprecision.com/userfiles/file/jotekexefevawopesojet.pdf
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a382fc84fd3---suzatekabutitoxose.pdf
- http://manavpublicschool.org/manav/userfiles/file/gilabotelidavibuwakefimo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=gmat+past+papers+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_off0000df87.bin6f6f5b94358bf217b69234ccd0a724e97e452f84092bc46db4fc1e97a240a91b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF87 | 10336 bytes |
font_01_sfnt_off0000f6e7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6E7 | 16792 bytes |
font_02_sfnt_off00010ef9.bina1b4aaf6a9da1da4ce27b6329e789e12d2c4e9b0bd9d1819d593e64b7398eb1c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EF9 | 16416 bytes |
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