MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains a link farm pointing to numerous unknown URLs, many hosted on compromised CMS upload directories. The primary attack pattern appears to be directing users to potentially malicious websites, leveraging a link farm strategy.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c4e11e8ce34---dijepajutet.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073a79d9e6f8---17214624446.pdf
- https://pacantioquia.org/aym_image/files/58780166765.pdf
- https://pmcp-avac.com/files/upload-ckfinder/files/zedanosugenujupunefotates.pdf
- http://worthingtonpark101.com/userimages/17180157135.pdf
- http://aire-limpio.com/img/editor/file/70063918926.pdf
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/pc2096ucin17dtovb4earjvgv2/rifiru.pdf
- http://mnogonomerov.ru/uploads/file/wubagexofadabazup.pdf
- https://bcbc3399.com/upload/files/bemibuvetudovavunifet.pdf
- http://studiogiovannone.com/userfiles/files/xosusuvabizabixazumetu.pdf
- http://habitat3.eu/userfiles/files/lixubagaduraladerawazo.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a368d295fd---pizulajodopiberituno.pdf
- http://fandimnarodaku.cz/upload/file/43524880731.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16086dcc53fa7a---49222580482.pdf
- http://agcslohian.com/userfiles/file/rarezemakaxutopizelusaza.pdf
- https://francoisdaulte.com/ckfinder/userfiles/files/zatigig.pdf
- http://alhouti.com/userfiles/file/bexeb.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fd86f105d---62287251721.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160824d4a980cc---zelazevezijazo.pdf
- http://backyardreleaf.ca/clients/6/6a/6a4eaaf8452764cb6fc14c9064ed0c71/File/64113495420.pdf
- http://debandhelder.nl/ckfinder/userfiles/files/bidukesozup.pdf
- https://webfox.net.au/wp-content/plugins/super-forms/uploads/php/files/5ea7f294345121db97e96e3ee7e44bac/81143856216.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160cc89782e24d---24764640570.pdf
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/u21dphg8591lrh3sacc0j4dgg2/tedoj.pdf
- http://fygl.net/uploads/file/180902084784.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=brentwood+homes+for+sale
- 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_off0000f0be.bindc4fe4d74c7ea1cb95aea3dce3ea2ccc12e0821b86e27f341679ff3c15f0292b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0BE | 18792 bytes |
font_01_sfnt_off00012199.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12199 | 16792 bytes |
font_02_sfnt_off000139b0.binb32dcb204efd776fd9b1ee890dd0e366b001024f8e8e65cb54d797b3271c3d1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139B0 | 10668 bytes |
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