MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, identified by the 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URLs are likely used to host phishing pages or distribute further malware, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/5145b122e183c3aa6052af831e0582aa/momaxivodasijas.pdf
- https://rozgarnetwork.com/ckfinder/userfiles/files/45224497891.pdf
- http://slp70.com/clients/873855/File/31704801847.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/191f67d26ad3a83542b6e7cf62469043/18170661954.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160aca78bc4705---80385027885.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/85ea549baa4cbea41c08fd05e5968831/nisoganebedize.pdf
- https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/djti9a88fg6ge5tntulrpd0n97/wazowafasanotesudevawix.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/71863bcd4213efed7a77ef66ef85b261/57919308671.pdf
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/11caeb53244bdc7addaf8bc43db6a0d4/49957617551.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a033f42bbce---71261757477.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cb1c43077fe---79487389710.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/orqvk35mc6lvd3nadqnltvlboo/97266555176.pdf
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/48brrtk4p8b4e5cc4qk8ruirq4/jebotajepuj.pdf
- https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/df51v8pgsvou1e91ein6hs42pc/pefowibewimukajezefo.pdf
- http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7d0e6a7b6---kuzerawiloxukuwuvis.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/f668cd2fcddee8b5305768de48e21d91/78138140552.pdf
- https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c7f9492d9ef71f88a4e426574c9f553a/40740583882.pdf
- http://reikihaus.com/clients/75291/File/77452314425.pdf
- http://nordicaluminium.ru/userfiles/file/49195347949.pdf
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/3a235fa3b11ddd996461c5879355f37f/9068063156.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/d09ml5938b3fmgadnrr55dsu2g/vonijemurevabumajaj.pdf
- http://sochisushi.nl/survey/userfiles/files/pufujexategujelulopud.pdf
- http://travelsafeway.com/userfiles/file/51125362119.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=spinnakers+cape+cod
- 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_off0000cfc0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFC0 | 16792 bytes |
font_01_sfnt_off0000e7d7.bin4cc52a328a7ba99ad0998572871490b415d06eb9b1fdf5e1eef43c190ad20371 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7D7 | 10532 bytes |
font_02_sfnt_off0000ffe3.bin208b3468ad2980a87e12afc1b4b253a7d61a43889c2cc80c72e5f5e17cacf3d4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE3 | 16324 bytes |
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