PDF malware analysis — malicious · e27eb09d055164b9

MALICIOUS

PDF

75.0 KB Created: 2021-02-13 01:41:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05

MD5: 43a87f8a0d2a92ce04dba24014a46f07 SHA-1: 681ba5524fb18a5f9af6505a882e95e60560bbf8 SHA-256: e27eb09d055164b9e87370a5f505e08a773db74a0f2b5229e4921002effa2642

194 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan-like behavior. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to potentially harmful content. The presence of a 'download' button lure further supports a malicious intent to trick users into clicking through to these external resources.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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.
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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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://jacksth.ru/wix?keyword=henry+stickman+unblocked+games+google+sites PDF link annotation
- https://cdn.sqhk.co/tuwodemo/hcgdhG8/castle_of_illusion_walkthrough_android.pdfIn PDF document text
- https://cdn.sqhk.co/mugejufunij/h6igfoD/91057786649.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382961/normal_60086fa8cabbd.pdfIn PDF document text
- https://semetipakes.weebly.com/uploads/1/3/0/7/130775831/adb05165ab639a6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483602/normal_6021250f6fb22.pdfIn PDF document text
- https://dizakevusarebiz.weebly.com/uploads/1/3/4/5/134581037/ripugaxejix.pdfIn PDF document text
- https://cdn.sqhk.co/lugizumevemu/Kagc2hg/muwepovixupeve.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473039/normal_6005faf7b46fd.pdfIn PDF document text
- https://cdn.sqhk.co/tinulafi/hejevie/big_blue_marble_academy_banking_way_greenville_sc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412575/normal_5ff0d70a2ab2f.pdfIn PDF document text
- https://gupobotinifetex.weebly.com/uploads/1/3/4/3/134338345/ca11afb777.pdfIn PDF document text
- https://tozadifoxu.weebly.com/uploads/1/3/4/9/134904498/nomozejafiv-kaxopuve.pdfIn PDF document text
- https://vofitusu.weebly.com/uploads/1/3/5/3/135301199/9eec6e130ec3890.pdfIn PDF document text
- https://titezexi.weebly.com/uploads/1/3/4/6/134639754/zikefabowo_weximemesumux.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413850/normal_600129b2b34d2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/vapelurowar/ketorerulepeguti.pdfIn PDF document text
- https://s3.amazonaws.com/sumesawoxajew/28475092569.pdfIn PDF document text
- https://s3.amazonaws.com/simujix/vis_sheets_in_spanish.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000da95.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDA95	5408 bytes
SHA-256: `72a465efb39d3a3c9114ea44da213f505839f901039f1606eb185f7cb6ec5935`
`font_01_sfnt_off0000ecdd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xECDD	10536 bytes
SHA-256: `bf3e207fd312da156a298d7cee75a39842a4e652235b99865b4c4ddb56d19c60`
`font_02_sfnt_off000110ad.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x110AD	4324 bytes
SHA-256: `b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c`

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