PDF malware analysis — malicious · 4251631e27157af0

MALICIOUS

PDF

78.5 KB Created: 2022-03-27 15:36:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16

MD5: 4fde47e8e75be34c1c7962ddf1ad9318 SHA-1: 543bdbc112c2d067635004b99a80541e7fa0199c SHA-256: 4251631e27157af0ee0c0b8253d2f245bd513fe891ce8a81e9685c5ec554dd59

186 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9988

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://lazav.co.za/YmrXLWy8?keyword=how%20to%20heal%20your%20body%20from%20smoking PDF link annotation
- https://lukavorewigi.weebly.com/uploads/1/3/4/8/134862497/muxotezogewi.pdfIn PDF document text
- https://miwawedunosojoz.weebly.com/uploads/1/3/1/6/131606480/tonimozalul.pdfIn PDF document text
- https://faruroju.weebly.com/uploads/1/3/5/9/135986438/rafotazakapa_delafutu.pdfIn PDF document text
- https://dojibabebane.weebly.com/uploads/1/3/2/6/132682208/vijes_durulokure.pdfIn PDF document text
- https://kezesefafuzer.weebly.com/uploads/1/3/7/5/137518356/wifid-saxuto-razadajolovakug-wigolerim.pdfIn PDF document text
- https://jesebumu.weebly.com/uploads/1/3/4/6/134617302/gilowexozejinibuniv.pdfIn PDF document text
- https://fijateri.weebly.com/uploads/1/3/4/3/134371572/lamogedegi-pusiz-tifego-kevib.pdfIn PDF document text
- https://dalivesozugu.weebly.com/uploads/1/3/0/8/130813395/vogodev.pdfIn PDF document text
- https://miragojed.weebly.com/uploads/1/3/1/6/131637546/kofadep-wenonikukusaro.pdfIn PDF document text
- https://sokudepan.weebly.com/uploads/1/3/1/8/131871622/nozizame.pdfIn PDF document text
- https://fejufawos.weebly.com/uploads/1/3/4/3/134328201/2cfc8adf431a6c6.pdfIn PDF document text
- https://takixonit.weebly.com/uploads/1/3/4/8/134899966/7e1f8e56f78073.pdfIn PDF document text
- https://xabomipa.weebly.com/uploads/1/3/4/4/134484571/1876923.pdfIn PDF document text
- https://gipusarele.weebly.com/uploads/1/3/4/7/134708700/f48ba27.pdfIn PDF document text
- https://pizijejubuga.weebly.com/uploads/1/3/4/8/134883891/9552980.pdfIn PDF document text
- https://tozarelap.weebly.com/uploads/1/3/4/4/134497896/1016f58.pdfIn PDF document text
- https://reserekeluzor.weebly.com/uploads/1/3/4/7/134721257/pujene.pdfIn PDF document text
- https://viduturuv.weebly.com/uploads/1/3/6/0/136082320/0df5015c654d.pdfIn PDF document text
- https://tidufafedufokaj.weebly.com/uploads/1/3/4/6/134693038/1414183.pdfIn PDF document text
- https://sonelalakilo.weebly.com/uploads/1/3/4/4/134400406/9623060.pdfIn PDF document text
- https://fukubumo.weebly.com/uploads/1/3/4/0/134016705/8d0456a8fa815.pdfIn PDF document text
- https://kibanelamuvudu.weebly.com/uploads/1/3/0/9/130969844/goduzavabod_miwitu.pdfIn PDF document text
- https://birinubawode.weebly.com/uploads/1/3/6/0/136026057/4758768.pdfIn PDF document text
- https://fozokixudaxo.weebly.com/uploads/1/3/4/3/134355354/e50b2.pdfIn PDF document text
- https://nigenodesi.weebly.com/uploads/1/3/4/4/134480521/dc00f989964e5.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_off0000ce6a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCE6A	17012 bytes
SHA-256: `80ddfff249b8f09ff1d0f98df64e2116defe87ab2669b33f0f10c3d6ab1e611a`
`font_01_sfnt_off0000faec.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFAEC	16416 bytes
SHA-256: `cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336`
`font_02_sfnt_off00011190.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11190	11324 bytes
SHA-256: `4e575471fababdb93f5c16bc7f997361cc65d4cb19559815559debf3d0dbd4bc`

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