MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS platforms. The presence of numerous links, including those with 'utm_term' parameters, suggests an attempt to obscure the true destination and potentially phish users or distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 https://iphonerepairservice.nl/app/webroot/files/userfiles/files/21117064861.pdf In PDF document text
- http://nensi.si/upload/file/88383301494.pdfIn PDF document text
- http://businessplan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/wulimagunimilifizebu.pdfIn PDF document text
- https://alajuusa.ee/media/contents/file/86564330513.pdfIn PDF document text
- http://hometeamcorp.com/images/usr/84838497032.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/qh0svbbc09pj0ebv0rd8tvngvt/39371899347.pdfIn PDF document text
- https://mayurherbal.com/userfiles/file/loxonowex.pdfIn PDF document text
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a931e1143b8---lujofusu.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c68fb0366a---zopiwabunarumivokav.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/gjqr7gp23cpt9efg36atia5sjc/65521447007.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/chqd5mndsmkcqv47httuingb7q/nizevijebozurudalilakaz.pdfIn PDF document text
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab77dcc840---lobikeveromag.pdfIn PDF document text
- http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083bbca67072---fopebezadiwotafopesejen.pdfIn PDF document text
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/u10tnf3h2umh857cv59np3h1lt/zufirexijimiluvutamugo.pdfIn PDF document text
- https://circolodelpistone.ch/userfiles/file/57210226940.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16091d36387c04---99270394475.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f76fee839d5---nabarugegep.pdfIn PDF document text
- http://mgtofubbq.com/uploads/files/60612628190.pdfIn PDF document text
- http://hondaototanan.com/upload/files/wofoxavowotixilasam.pdfIn PDF document text
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c5dc00acd51---42697745338.pdfIn PDF document text
- https://thefertilizerequipment.com/d/files/rerapovemafavap.pdfIn PDF document text
- https://unosms.us/userfiles/file/18924299840.pdfIn PDF document text
- https://www.clinicaepilepsia.cl/ckfinder/userfiles/files/rimubitajixoj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=i+am+looking+forward+to+hearing+from+you+alternativePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f286.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF286 | 17232 bytes |
SHA-256: 37f6f63116936080a3ba336eb4f0ce2dfb2ec86b4c6158cb103d1d2f42e4ed86 |
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font_01_sfnt_off00011f1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F1A | 11040 bytes |
SHA-256: 775054f53176d3864768339c9a45b4bbdcd0bd709eafad31f4e2a2160b5000e1 |
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font_02_sfnt_off0001386a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1386A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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