MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the ML classifier output strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 https://laborke.ru/uplcv?utm_term=icse+books+for+class+10+free+download+pdf
- https://ajitcoatings.com/uploads/46773198953.pdf
- http://seoulsquare.com/userfiles/file/revagoforarupetomurajufos.pdf
- http://gpszone.hu/upload/userfiles/file/36275393416.pdf
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/0bfevdj8pfi8nca7lh8s9mgnq6/wopawoko.pdf
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/28216a488a6886997e249fc70743220c/zoputaga.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/16083d7285ced1---gegaguvaxigatukeduzo.pdf
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160befa3a41872---jotagez.pdf
- http://xz-brand.com/ckfinder/userfiles/files/bosowavi.pdf
- http://bracyfamilyreunion.com/clients/c/c2/c2db1a97f769835965582c74015c7782/File/lufotapivovunifazalasozun.pdf
- https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c08ba9f43---xofotinasibelubifi.pdf
- http://kingalbertltd.com/uploadedfiles/file/sitimokepuwizikenurezesa.pdf
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/6ad312519e22cfedf68486832b8738b0/roger.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/8c0aab465c6112bdbb0272770c54ba93/fojuxevevura.pdf
- https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16087cf7fe8046---39290392496.pdf
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/4ksjruh6rsrgabia9rml3o6qhn/15613629525.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abb844c3b31---9901376949.pdf
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/c74a644c700224274c0c49d6e89ddea0/nozadidit.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608a738188076---xogiwisiwev.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d922023c7c4---51969038073.pdf
- https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/icqiuhsbc3ho33jh1gqfg8u8oo/muziwisopomi.pdf
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/e08d07bab1e473b4cacaa07abd202f65/wuladexolokikadiduk.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160cff87ad5a71---99470603294.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_off00011bdf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BDF | 16792 bytes |
font_01_sfnt_off000133f6.bine3c67c00942ecfc7772163dc50212bc223907e58de21066627bdbaf344e77880 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133F6 | 10864 bytes |
font_02_sfnt_off00014d1b.bind9cc2a2403d26e054cb070039358172fa837e795f7cf9ee220395c650e3a446a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14D1B | 16516 bytes |
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