PDF malware analysis — malicious · af2a21749ea1115e

MALICIOUS

PDF

77.2 KB Created: 2022-03-28 10:19:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21

MD5: 3a2c9b935272851524c5370e5e87f2a6 SHA-1: f3712c775edda9b3d0d2340e5abe44b11f2a9a7e SHA-256: af2a21749ea1115e367a38f0f02f0e98119b36f6e3d9accabb17fa217335f6b1

226 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9976

Heuristics 7

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.
Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE

Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise 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://wirut.co.za/YmrXLWy8?keyword=ge%20jvm7195skss%20installation%20manual PDF link annotation
- https://tenanetudoji.weebly.com/uploads/1/3/4/2/134266315/6345966.pdfIn PDF document text
- https://tenivutod.weebly.com/uploads/1/3/1/0/131070705/motadoxulokozexus.pdfIn PDF document text
- https://jefiwosu.weebly.com/uploads/1/3/1/3/131379536/2724014.pdfIn PDF document text
- https://zuzagidebosoxe.weebly.com/uploads/1/3/4/3/134391670/laziguluwisux-zatopizukuf-wufural-pufeke.pdfIn PDF document text
- https://dadekojulaza.weebly.com/uploads/1/3/4/3/134320805/1626923.pdfIn PDF document text
- https://pivokobofu.weebly.com/uploads/1/3/4/6/134648089/jurevef_dapesukazexefo.pdfIn PDF document text
- https://wufavupo.weebly.com/uploads/1/3/4/3/134319323/8146467.pdfIn PDF document text
- https://nojuguxupibubir.weebly.com/uploads/1/3/1/4/131438610/5236968.pdfIn PDF document text
- https://bidemujoniju.weebly.com/uploads/1/3/1/8/131856381/2354262.pdfIn PDF document text
- https://marikiwow.weebly.com/uploads/1/3/1/3/131379510/797776a55.pdfIn PDF document text
- https://rigabobavotul.weebly.com/uploads/1/3/1/8/131856161/bikas_rimaneperel.pdfIn PDF document text
- https://jepixisus.weebly.com/uploads/1/4/1/2/141259246/808f0335.pdfIn PDF document text
- https://xapeposatu.weebly.com/uploads/1/3/1/4/131437079/zawedesuzivikak-tufikazereno-zimodinojamewen-gikexulaxu.pdfIn PDF document text
- https://fisudobu.weebly.com/uploads/1/3/0/8/130813554/750043decad823.pdfIn PDF document text
- https://valutakawewa.weebly.com/uploads/1/3/1/3/131378791/3489920.pdfIn PDF document text
- https://radewisuvux.weebly.com/uploads/1/3/4/6/134689192/rivixorifole.pdfIn PDF document text
- https://jifafaxima.weebly.com/uploads/1/3/1/8/131871415/geboda.pdfIn PDF document text
- https://warevinigipa.weebly.com/uploads/1/3/4/8/134898994/b0bd0a4bad0486.pdfIn PDF document text
- https://fodoradesak.weebly.com/uploads/1/3/1/4/131454556/3308090.pdfIn PDF document text
- https://sobemifukoku.weebly.com/uploads/1/3/4/8/134887972/9171867.pdfIn PDF document text
- https://pukiroxe.weebly.com/uploads/1/3/2/3/132303351/8557807.pdfIn PDF document text
- https://zapedumukovig.weebly.com/uploads/1/3/0/7/130775012/rawamodazelegup.pdfIn PDF document text
- https://gekubele.weebly.com/uploads/1/3/2/6/132683169/rulasimuj.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_off0000c871.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC871	11000 bytes
SHA-256: `305c9e1ca2da37de84b65daa65890b377bfd022a5f886eeae776354f53632d2d`
`font_01_sfnt_off0000e226.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE226	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`
`font_02_sfnt_off0000f8c5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF8C5	17740 bytes
SHA-256: `790199f3b54324c3cace5bdf2f593aa05357e20183426d4c5a9cde6c164250f5`

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