MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm to distribute malicious content. The presence of external URI heuristics and the overall structure strongly suggest an attempt to redirect users to harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://infrive.ru/uplcv?utm_term=writing+off+phone+for+business
- http://thessalonikiflights.com/files/files/kuvufuduge.pdf
- http://xn--80aab8aioy.xn--p1ai/userfiles/file/38117192798.pdf
- http://botosani.ro/img/uploads/file/giligakilanuvisub.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ec65b2223---54334538386.pdf
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/d4f4adebe59fc6c6eb30cd4978fd0f3a/33911988025.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/5c72431ff658d25ed41836119e663502/11448129247.pdf
- https://alternatifhirdavat.com/upload/ckfinder/files/zixafosotetuvuravinurames.pdf
- http://timeyear-v.com/userfiles/file/41346460177.pdf
- http://ricoconsultingattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fejukunomutopediw.pdf
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c89410947---sesusosobuwopupezasowale.pdf
- http://kirakuramenandsushi.com/uploads/files/wasijemejomifanuvogubej.pdf
- https://heritagecambodiatravel.com/userfiles/file/82947926382.pdf
- https://www.kadeavenue.com/wp-content/plugins/super-forms/uploads/php/files/4bdf909daaf93632a6f4cb74b19b50f2/segisosibokofodewamar.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1607205ca21dc0---66716768870.pdf
- https://vanrun-it.nl/userfiles/files/kirarusobifirogisur.pdf
- http://www.anjhimayath.com/upload/file/wegidut.pdf
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbe04f33a0a---depixebudanoviwatiku.pdf
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160a846dc9bd2f---xejejakobaputup.pdf
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/5c608eb975e25cf194f435d82a0e6b32/44832109822.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c480a465e3f---94242211583.pdf
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/51074320eedbf51f1d009ae27a5ecec3/8730831345.pdf
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/967e901c01aefd80b4e94dddfebf44a6/24523206818.pdf
- http://ipsgroupjjn.org/userfiles/file/7684256639.pdf
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd977912ae---jexamom.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_off0000e626.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE626 | 16792 bytes |
font_01_sfnt_off0000fe3d.bina80ab76d522a3e28763c94473cc2f4212854f22cd978b562956a14edc628dfe4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE3D | 10664 bytes |
font_02_sfnt_off00011662.binb10651badfe92dde9d7a23880f8152c52d44e25d4061ee5ff281896cda58bfa3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11662 | 17308 bytes |
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