PDF malware analysis — malicious · bf079b9c2a2c724f

MALICIOUS

PDF

85.6 KB Created: 2020-12-17 05:14:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05

MD5: 244368d9316182cc2382c1de885c8a2d SHA-1: f0c59b22030b1aeede9088e9afce2681aa9325ce SHA-256: bf079b9c2a2c724ff010b218599e56161ee1c497ee41a3992e7b209119cf402b

254 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by multiple heuristics and a machine learning classifier. It contains a link farm of external PDFs, with a primary redirector URL pointing to a suspicious domain. The document body, though heavily obfuscated, appears to be a lure related to "Wow classic fury warrior rotation", suggesting a phishing or social engineering attempt to drive traffic to malicious infrastructure.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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.
Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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://cctraff.ru/strik?utm_term=wow+classic+fury+warrior+rotation In PDF document text
- https://cdn-cms.f-static.net/uploads/4365580/normal_5f88486a49f83.pdfIn PDF document text
- https://virubavu.weebly.com/uploads/1/3/4/7/134755547/zenidewizefukibisek.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474475/normal_5fb2aeb534fe0.pdfIn PDF document text
- https://zavisedifigi.weebly.com/uploads/1/3/4/3/134316550/3665267.pdfIn PDF document text
- http://www.opentle.orgIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc0e7ad6609fd0ee79153f2/t/5fcfdffea81a80360e85b0d8/1607458814404/61341151839.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4c96537-9929-4d51-b30c-a6e344e11f36/gipulezadivuxamu.pdfIn PDF document text
- https://s3.amazonaws.com/nitirew/vubeletopuretisalesed.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc6ed53c43b1711988767e8/t/5fd67ad67fc52c2069281b28/1607891670378/72038685170.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc0d446ab79f442f2293e00/t/5fc109029d79364840b1fe47/1606486275342/94521069310.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a9c95094-d348-4139-90d4-3044b5a596f2/guided_reading_activity_16-2_party_organization_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9d29682b-d8d8-47ef-be94-626c505ffd35/minnehaha_county_clerk_of_courts_small_claims.pdfIn PDF document text
- https://static1.squarespace.com/static/5fc5895aec917750a3f71e5e/t/5fcc2dea33187724c4e3108c/1607216619843/64235207158.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://www.gnu.org/licenses/gpl.htmlIn 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
`stream_004_off0000ff9c.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0xFF9C	13424 bytes
SHA-256: `7706cd2b05467788ed079a8a96afb457baad43ce2ee0b1f22c5a8ce9a84f32dd`
`font_00_sfnt_off0000ee2d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEE2D	5084 bytes
SHA-256: `e8b5d7da85fafc9643b7ed1636edae145434cf19898b340d7a9f504f570b4045`
`font_02_sfnt_off00012545.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12545	10536 bytes
SHA-256: `a403ae20825ba3f102b9143e0aec0d83846e490f43c0a13779dd4d08b3846174`

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