MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The embedded URLs and link farm heuristics indicate a strong likelihood of phishing or malware distribution. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall pattern suggests it is used as a delivery mechanism for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://catamma.ru/uplcv?utm_term=the+chronicles+of+narnia+the+lion+the+witch+and+the+wardrobe+free+full+movie PDF link annotation
- https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/5167d460476a98429f03ba3a49487171/29335762333.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6700edf53c---73403089218.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bdc52f14f6f---diwerufokikediv.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1ae06c018---kepexovipokujal.pdfIn PDF document text
- http://hzkontejnery.cz/ckfinder/userfiles/files/29318679021.pdfIn PDF document text
- http://kleiberit.ru/files/file/77308755175.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/gmbaeeu7cffhonapq4d704tr0v/judufo.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/7t95127fve6i6k26o4d0sb4iqb/19259926296.pdfIn PDF document text
- http://laulumaja.fi/ckfinder/userfiles/files/gevuxuwezesoxebek.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ee971a52a---49302370666.pdfIn PDF document text
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/d65011cc85080fa1a680e090920e4c90/41476098813.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d07529db506---54100184911.pdfIn PDF document text
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/mgrp4bhhlgcrd3jgvjep2ghb07/nunojixobuba.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16073d41b5b52d---libakosabapumuwurejuguf.pdfIn PDF document text
- http://skogsformedling.se/bilder_umeny/File/pisigujaxavinub.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/3fe85eff45456cc1e38adda47b3a3578/81395757035.pdfIn PDF document text
- https://mepho.hu/ckfinder/userfiles/files/12913520971.pdfIn PDF document text
- https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/46cf1f6ab2ddad21f0a7ddf50ba24cf6/45824396181.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160772a7dbf9e4---serufuwuvazifajegu.pdfIn PDF document text
- http://china-zzld.com/uploadfile/file///2021060113421776.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/1cc884665f541f4844e55dc3be541544/28687116581.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/a56f917bc03cfc07b34268c96e59b497/95034647238.pdfIn PDF document text
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1f62d9d208---zededuxewazitipe.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/63220a13a479eb95dd146b8da8867411/laxasopopatawi.pdfIn PDF document text
- http://gemculture.com/userfiles/file/fapagutufobajam.pdfIn PDF document text
- 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_off0000ee10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE10 | 11096 bytes |
SHA-256: 499777df3a0aa97626a5956d311545da52481c1e45909fc177366c1a39b852cc |
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font_01_sfnt_off000107d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011fe7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FE7 | 16984 bytes |
SHA-256: 6ebd173f4675a02888d42a553b5f9ed8e3f4dd8174b291c8377459e9730442ab |
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