MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicative of a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. No scripts were extracted, but the PDF structure itself is used to host a collection of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://samtekelektrik.com/files/12351434936.pdf
- http://biplano.eu/userfiles/files/dojigirinaf.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16134e7879e3a2---vesenoralowapot.pdf
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/d8c72cf8151dac9d8dd0eb9f28f56788/xanepojiwajuzalizida.pdf
- http://geodeslaboratori.eu/userfiles/files/xovutofojitujilude.pdf
- http://reafamily.lt/ckfinder/userfiles/files/kiwogixeguwotefoka.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ce6e532bb---mewimefazu.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb345504f5---rojenufopemivavobupegeni.pdf
- https://www.pactforfamilies.org/ckfinder/userfiles/files/wusujizemepugazakitu.pdf
- http://asustainable.com/global/file/81972466746.pdf
- https://korvioinfotech.com/ckfinder/userfiles/files/jigozajidoripokeraleke.pdf
- http://pvvc.cz/files/12118057275.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613053a5e8764---69559847710.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613626f5ee662---zoxufa.pdf
- http://smalternatywa.pl/media/upload/files/889d685fa22087944417ef97dae3b334.pdf
- http://wizclub.net/upload/userfiles/file/dilapubufinimugukevej.pdf
- http://portaldo.eu/contenuti/upload/file/dodekatepuxikenatomaxa.pdf
- https://iqrainternationalschool.org/_assets/files/5000233877.pdf
- https://keluargamimpi.com/contents/files/26475597424.pdf
- https://ehlibeytalimleri.com/resimler/files/90947724066.pdf
- https://minipowerpack.net/upload/files/robipuwotozudosege.pdf
- https://relans-nn.ru/images/docs/file/32760994515.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=stock+tracker+android
- 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_off0000c8f3.bin16b8feaa763a6c15695d560866018a9c42a27e5fb6b47f6ae18ea2f9253ac20a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8F3 | 17488 bytes |
font_01_sfnt_off0000f6b1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6B1 | 16792 bytes |
font_02_sfnt_off00010ec8.bin830710c197b974e6bc494beb489223a02297f7d81e050645895c473d1312b1d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EC8 | 10316 bytes |
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