PDF malware analysis — malicious · 78270b6562130fd0

MALICIOUS

PDF

91.3 KB Created: 2021-11-04 17:45:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16

MD5: 6157926af57cd0acd4acacfd4b680afc SHA-1: 4d7e9c039ba34d7302f412421002036aef2e1afd SHA-256: 78270b6562130fd0c40665f5a51f8a200dc904e8dd1437089d272facb82ce281

156 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9977

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM

PDF 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.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small 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.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://inoxbienhoa.com/upload/files/waritevevotofad.pdf In PDF document text
- http://marktoby.com/akram/know_news/admin/userfiles/file/golimejelimavuge.pdfIn PDF document text
- https://12shio2.com/contents/files/memefonetaje.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16170be8cf124d---sakaxonavaxiba.pdfIn PDF document text
- https://muzpony.de/obrazki/file/mijomeretijetizakez.pdfIn PDF document text
- http://membranekeyboard.pl/_data/file/84525636853.pdfIn PDF document text
- http://zhjpharm.com/upload/files/xetilefaxisepaweriton.pdfIn PDF document text
- https://ww150003.linebot.net/upfile/files/20210913152257.pdfIn PDF document text
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/8g5ufijip03j0ab5msdkj3dim3/niropobiwepewofiru.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161630c6653b33---70551789190.pdfIn PDF document text
- https://smartcirclegroup.com/userfiles/file/mapajikusizubutadip.pdfIn PDF document text
- https://millinerandassoc.com/files/file/getuzobali.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/36790143433.pdfIn PDF document text
- http://ruresept.ru/files/file/45940761845.pdfIn PDF document text
- https://harrisitalia.it/uploads/file/85644410909.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/b2e3pn7mibkv0ei7p6230d79da/jemibizobalafadufirimaju.pdfIn PDF document text
- https://anotera.kopro.fr/userfiles/file/95173457100.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/cf1c76389fda8bb4400c976ba5ba577f/81765650639.pdfIn PDF document text
- https://journalofcritique.com/ckdosyalari/upload/files/somexozalafunu.pdfIn PDF document text
- http://gpmpoolandspa.com/ckfinder/userfiles/files/xixarazigino.pdfIn PDF document text
- http://i-dron.cz/data/file/29548768358.pdfIn PDF document text
- https://mr-alian.com/upload/ckfinder/files/vogopeboxiluwib.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/BcFPVxLj4jw/uplcv?utm_term=miss+universe+competition+2021PDF 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_off0000ffbf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFFBF	17896 bytes
SHA-256: `cfc812d211dad9d4b73bc66793e817867f32c223a62d9b8693c2edf46b0677b9`
`font_01_sfnt_off00012e85.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12E85	10780 bytes
SHA-256: `d7c57f869be901ff198c2788be7e6f1379d5a23a4e1d4a0e197a8ab5714ad730`
`font_02_sfnt_off0001477e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1477E	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`

Open this report in the interactive analyzer, or submit your own file for analysis.