MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://www.siscbolivia.com/admin/uploaded/fck/file/1393543529.pdf
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b3b6c005e---pimevofuja.pdf
- https://balarampurblock.in/ckfinder/userfiles/files/95429958141.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/3f23d7e57fb38c492562440727bf6df1/13737664316.pdf
- http://bbgannualseminar.com/clients/6/60/607ac775fa755cf068047886b2bbe24d/File/20998825322.pdf
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7535941d03---kexaluluver.pdf
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e73d339d92---32091862808.pdf
- http://newfieldclassof1982.com/clients/6/69/69e49ffade321d977af769e13f9f004b/File/seripumagowuj.pdf
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c8d8a6f23---rubozuzaz.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ea78181116---vasemogowafuboz.pdf
- https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/160802061ad526---sululenutozidowokononed.pdf
- http://syuncyoku.jp/upload/file/17189117296.pdf
- http://logansport1971.com/clients/4/42/424235dfd0fdcd2d3cc2afd1e16bb83e/File/9969007541.pdf
- http://reutlinger.pl/userfiles/file/11822094889.pdf
- https://thenavyaindustries.com/ckfinder/userfiles/files/30471256871.pdf
- https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/51c9fe0800f13a8fa42ef628eaa990ee/52029285094.pdf
- http://naturallabs.fr/userfiles/file/vasulelikevibejesezafe.pdf
- http://duquenne-moteurs.fr/webroot/upload/files/2313780002.pdf
- https://yellowstonewildlife.com/lozoperafexipeparixemet.pdf
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089ef747ad03---98975969971.pdf
- http://rayanchem.com/d/files/47496777824.pdf
- http://xn--80aamdqpfpr.xn--p1ai/upload_picture/61930978861.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608871db0aede---66830120435.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=art+illusions+on+paper
- 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_off0000fcab.bin9b220470e8a9cced6b58993fd388381df69d49ccde2ed016997434f390162ad1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCAB | 18484 bytes |
font_01_sfnt_off00012c3d.bin33ea69efb1ecb47717559b7637eb29f3ec9c3474b4e7eead1fd8c4361c003e0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C3D | 10328 bytes |
font_02_sfnt_off000143a9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143A9 | 16792 bytes |
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