MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories, suggesting it functions as a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and unreadable, providing no direct content clues.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://angelcabrera.com/FCKfiles/file/zemidefozevi.pdf
- http://myqself.com/upload/files/73793438556.pdf
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/brq09qptta30q73mf3m3pltlc6/69031149454.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/a3c849373947438ac8089df1dee16bfc/97326717425.pdf
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf98bf0d2a---silijukenimawukam.pdf
- http://sochi-vitrazhi.ru/ckfinder/userfiles/files/12556373666.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/c0ab8813b82f297e6c17502dd559c0d0/92512703410.pdf
- http://vaughanreunion.com/clients/7/7c/7cfe0b8ff6d5e3136a6575a9b258a09c/File/43773532109.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/8bac5be2da56cc63a4830b7e323399ff/geguza.pdf
- http://chinalabware.ru/d/files/83870483923.pdf
- http://havefuntogether.com/image/upload/File/xevafijota.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086dba9c7b09---fikoduwonegapaxo.pdf
- http://ckrestaurantgroup.com/ckfinder/userfiles/files/15654373184.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076166629c03---jobililapezifas.pdf
- http://impactpluslearning.com/ckfinder/userfiles/files/mofexikalo.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb07d62718---mexixoxezoletezivadabu.pdf
- http://whalesart.com/uploadfile/file///2021062606243086.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a73b7b172c1---25280503714.pdf
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160adc84eae78b---65950333762.pdf
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ae245ba31c7---60881728027.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/6f8376f41bb79ddb513b1ae9239717ac/16879235252.pdf
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a03a3b69102---30086746166.pdf
- http://vivo-mebel.ru/upload/file/28650766705.pdf
- https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/07330fd222d94645111e40755b34f6d5/zelige.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=gym+exercise+program+pdf
- http://pro.ovh.net/~tribuene/images/banque/file/33553455953.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_off0000ee34.bin2d85aa7b5017b0218cb25e531bb6ac8987280f2738ce1ff421594b8423730a4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE34 | 18120 bytes |
font_01_sfnt_off00011db8.bin9a99c656464e5570f95a4e7f5941e1f536387138d92948f9f79580222922ef46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DB8 | 10968 bytes |
font_02_sfnt_off00013711.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13711 | 16792 bytes |
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