MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF sample was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories or are hosted on disposable domains, indicating a link farm designed to distribute malicious content. The presence of these links suggests an attempt to lure users to malicious websites, likely for further exploitation or credential harvesting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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 http://amsaneeraus.fi/userfiles/files/89805148659.pdf In PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/e90474894af5c73a0c4de128e1bdf349/90437664879.pdfIn PDF document text
- http://chamdure.com/DATA/files/78984285766.pdfIn PDF document text
- http://reliancefla.com/admin/images/file/98591120707.pdfIn PDF document text
- https://matrainagycsalados.hu/userfiles/file/25772904227.pdfIn PDF document text
- https://rajatotogroup3.com/contents/files/fujatakofujoxe.pdfIn PDF document text
- http://pnktools-th.org/ckfinder/userfiles/files/kaxepufusokoziluvetonuvaw.pdfIn PDF document text
- https://nepalonetours.com/userfiles/files/68736431343.pdfIn PDF document text
- https://yptea.com/data/fckeditor/files/nigaxixeroraxolaka.pdfIn PDF document text
- http://kietminhrivet.com/upload/files/62537002228.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb2a1ec60e---rojegefa.pdfIn PDF document text
- http://csc-028.com/userfiles/file/20210930215302_x8r4lt.pdfIn PDF document text
- http://etalentlink.com/uploadfile/file///2021092418210057.pdfIn PDF document text
- http://waetsukai.jp/system/ckfinder/userfiles/files/68554250821.pdfIn PDF document text
- https://mobiligennari.com/userfiles/file/36646883402.pdfIn PDF document text
- http://builderall.info/userfiles/file/zupoto.pdfIn PDF document text
- http://hidramaco.com/files/files/66155653137.pdfIn PDF document text
- http://keralatravelpath.com/uploads/file/98937964868.pdfIn PDF document text
- http://scuolascifondocortinadolomiti.it/userfiles/files/xixegekamuxipomedaf.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/ed17c0eb5df4795b39dd34c7a7ad053f/tewokunize.pdfIn PDF document text
- http://foreverymuslim.net/home1/forevev3/public_html/foreverymuslim/upload/file/78927962171.pdfIn PDF document text
- https://remont-bez-zabot.ru/files/file/muberod.pdfIn PDF document text
- http://smsgurugram.com/miet/assets/files/36437917634.pdfIn PDF document text
- https://karate2.cdmedia.pl/userfiles/file/62833260974.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b7d3355acf---temovupisovudoraguza.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/adb52ee7f54952d220eebc59d864f79c/durozoxitelabakomejowolo.pdfIn PDF document text
- https://goodluckfishing.com/ckfinder/userfiles/files/bivejolokiwutupumopemuz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=tom+%26+jerry+the+magic+ringPDF 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_off0000b60c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB60C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE22 | 9324 bytes |
SHA-256: 0435703591555079fd1e345d5a2cbd37c969bd88d57a9d9c4009dd4fe7cf6bd7 |
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font_02_sfnt_off0000e1c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1C4 | 16892 bytes |
SHA-256: 93d796d477a9f260671fa7c4928b23412b1d95ebe1186456d94d1421598ea948 |
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