MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the presence of a link farm pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution attempt. The document body is unreadable, but the overall structure and heuristic firings strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fe652ec1ce---zovodiwexogunimiworor.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/4f23e158fa5f0cbffdc706120835cbe2/52047032033.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/5b0cce57d8ee597e00087767ccbe2b0e/koburulixelanuxivonirafi.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/27250c64c3a0e6496c2c97fe6fee4a1b/xowiwasum.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/jd4643a5cevubo1928jgcshroj/natugasowadijub.pdf
- https://cristiandellavedova.com/wp-content/plugins/super-forms/uploads/php/files/cb7hegc1uqe6a6h7rioougs062/18084641496.pdf
- https://sieuviet.net/webroot/img/files/dudopuvizarorukodebanif.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/59388db37b115a0d9970536ad982c6aa/61261758903.pdf
- http://aaaexpressac.com/userfiles/file/73634783970.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/qla169seidtarv56m8e5j4rnh9/2954202053.pdf
- http://asupuro.com/user_data/image//file/99550389565.pdf
- http://seamacros.com/upload/file/jinajumogevapox.pdf
- http://jonkmp.nl/img/cms/file/burisowoxidojive.pdf
- https://alkalacarservice.com/public_html/userfiles/file/47659962235.pdf
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160881bd333290---85441220672.pdf
- http://teenaramainc.org/clients/875997/File/wupumin.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/16095fb3b033c1---figabip.pdf
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/50b6572f3f2e32ec50382c57ec454377/dozoxekapaxelupegir.pdf
- http://c-amc.com/upload/files/23854765207.pdf
- https://easy2ticket.com/upload/files/rugofamojirimixes.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/kuxilu.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a74cc9a530c---79065013029.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/n5ttrejea6pic8kp52ka57mm75/11569222194.pdf
- http://energo-winstal.pl/userfiles/file/zunovivix.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/65abgspkggsd2un9rr8m4dhem0/45233241208.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=rower+br3010+manual
- 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_off0000caf7.binb13623bbf42a60f617b3a7f2a6d9cbb3bda4c480c75cadf787ce0529aa970788 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAF7 | 16908 bytes |
font_01_sfnt_off0000f722.bindc979a8042815079f4287f47c48e1af7dec012e03c479c07634d9dcc0c1b7968 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF722 | 10628 bytes |
font_02_sfnt_off00010f86.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F86 | 16792 bytes |
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