PDF malware analysis — malicious · 4e37be70ad568587

MALICIOUS

PDF

76.0 KB Created: 2022-03-26 06:40:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19

MD5: 19094dde46950fdb9cde977d129202a7 SHA-1: 167fa424841e3dc0b9da1699368e44df871a7af4 SHA-256: 4e37be70ad5685876fd67e5a711523ba1dfb64368e46007a0900209849c11ff9

186 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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 https://digakotukuz.weebly.com/uploads/1/4/1/2/141251186/detofonegibuvum-jirunidemino-roberukaxibusi.pdf In PDF document text
- https://wekijoborumotis.weebly.com/uploads/1/3/4/4/134484899/fosokog.pdfIn PDF document text
- https://vexojuvij.weebly.com/uploads/1/3/4/3/134345090/998919.pdfIn PDF document text
- https://kowedasik.weebly.com/uploads/1/3/1/4/131438617/9857123.pdfIn PDF document text
- https://julogunakununu.weebly.com/uploads/1/3/2/8/132814048/1352537.pdfIn PDF document text
- https://xabomipa.weebly.com/uploads/1/3/4/4/134484571/70fa283.pdfIn PDF document text
- https://lomekizawulom.weebly.com/uploads/1/3/4/7/134704223/gajeporosi-nitinaj.pdfIn PDF document text
- https://rakoroga.weebly.com/uploads/1/3/4/8/134887340/9783937.pdfIn PDF document text
- https://vimedapajabapi.weebly.com/uploads/1/3/5/3/135309909/2074712.pdfIn PDF document text
- https://silolezozuwagu.weebly.com/uploads/1/3/0/7/130774999/2492f312af0.pdfIn PDF document text
- https://debivozujorebol.weebly.com/uploads/1/3/0/8/130813616/cbb99b2b.pdfIn PDF document text
- https://kevesotajomuvow.weebly.com/uploads/1/3/5/9/135959451/kulikusil.pdfIn PDF document text
- https://nenodomamik.weebly.com/uploads/1/3/4/0/134095987/724f85e.pdfIn PDF document text
- https://suleduzon.weebly.com/uploads/1/3/4/4/134403341/fivedeveno-gafovo-roxidamenejak-folejafeb.pdfIn PDF document text
- https://sivenusa.weebly.com/uploads/1/3/1/1/131164431/fules_bimarulijenibo_mogawagef_wutif.pdfIn PDF document text
- https://fumixenigijulu.weebly.com/uploads/1/3/4/5/134526518/6fa72.pdfIn PDF document text
- https://panujiwawavila.weebly.com/uploads/1/3/4/4/134457592/tosuzedezuw.pdfIn PDF document text
- https://netebina.weebly.com/uploads/1/3/4/5/134596662/4039163.pdfIn PDF document text
- https://rovividupezudu.weebly.com/uploads/1/3/4/3/134373795/5366511.pdfIn PDF document text
- https://toromadon.weebly.com/uploads/1/3/4/5/134523466/57cfe41.pdfIn PDF document text
- https://zosojelukik.weebly.com/uploads/1/3/1/8/131871698/7538961.pdfIn PDF document text
- https://lexurugimakosus.weebly.com/uploads/1/3/4/7/134718338/21f51aaf6faf1.pdfIn PDF document text
- https://yoyep.co.za/YmrXLWy8?keyword=u.s.%20army%20hand-to-hand%20combat%20PDF 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_off0000c53e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC53E	16676 bytes
SHA-256: `69aaf7dadf6d3d868447f8271b6fe5bcb5c1c406074703c1473d0733283bf0ab`
`font_01_sfnt_off0000f0d9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF0D9	11436 bytes
SHA-256: `17ddeac0e95a908fba9225ffc13fb6a0378a85d595223ab5688be3dcd8da4b1b`
`font_02_sfnt_off00010ba1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10BA1	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`

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