MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised websites or disposable hosting, indicating a link farm designed to lure users to malicious content. The ClamAV detection and ML classifier further support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9433
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://ifaistos.reality.gr/~triantaf/images/file/87977335789.pdf
- https://consultingexpert.eu/fckeditor/userfiles/file/wazokil.pdf
- http://wajl.net/img/file/2021629155131.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/ssijnr3odtirhi2euni5qap24f/83096820084.pdf
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a0c7c7ea1---73117352214.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9678f2789---gefubuwo.pdf
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/01f18dbe611ae5c3eb2d16320e729e20/6172179833.pdf
- https://comfort8889.com/upload/files/ridukavusutozuwafi.pdf
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609f3264e7861---69443952137.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/pcs49vpd9s7bo27ujqqk4lji41/jodezuzudosumasewib.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16078bf587d129---55470307843.pdf
- http://biosurfest.com/userfiles/files/53566116596.pdf
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d07c53e5e6---zejuvelusukoramiji.pdf
- http://mdsalon.ru/img/lib/file/mibogudorakapufewizirapad.pdf
- http://stlnsk.ru/uploads/file/43837090228.pdf
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083d9216dfb4---46772629395.pdf
- https://rajaunited.com/contents//files/65573042762.pdf
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4c5f033543---96991344125.pdf
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/72q6kqv6p1mdi8odcsgg9qhs70/47803144878.pdf
- http://bodegaadrover.com/userfiles//imagenes/92348251193.pdf
- http://slhs1958.com/clients/18590/File/ruzusuzamemobegab.pdf
- http://apcmagon.com/userfiles/xozewijowibikufemanivopo.pdf
- https://parklanehotel.asia/userfiles/file/20819677305.pdf
- http://hawkins-kearney.com/clients/f/fa/fa1934e8f236f3272fb98c88546bd003/File/ligufixaguzatefikaledo.pdf
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/suserekijeduw.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=lead+me+on+meaning
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_003_off0001b52e.binb530ba512fcea7ec078fe5340fc91181670b4ff005bb5b8cd775406ea4ad9740 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1B52E | 36128 bytes |
font_00_sfnt_off0001657e.bin2d6e83fbbcebd6565f933250b1c2a8e77ee1e9fd3b23ecb538bd3460e909b5d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1657E | 36772 bytes |
font_02_sfnt_off0001f71f.binca6c8923e0b92c14ba6b78ab664501fa67beae6213b2663c77db576ce7a9d62d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F71F | 20152 bytes |
font_03_sfnt_off0002322d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2322D | 16792 bytes |
font_04_sfnt_off00024a44.binb86e9bbb379f87163959f4a552331151c28e15dde9e9e6dc88da9bc4df44d4b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x24A44 | 10136 bytes |
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