PDF malware analysis — malicious · 214b01225ac4c7dc

MALICIOUS

PDF

73.2 KB Created: 2021-01-09 18:03:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05

MD5: 09d8b63611039e8c9e4535e7dcc1fddc SHA-1: 89be904dc2fbd875459693265f76f01729952d76 SHA-256: 214b01225ac4c7dc8e96d798e83eca7f65d98fae0be75bb7b3c4f22d0934b2d0

274 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF contains multiple heuristics indicating malicious activity, including a critical finding of a link to a known malicious redirector. The document body, though truncated, suggests a lure related to a game download. The presence of a link farm and a redirector points towards a phishing or malware distribution attempt, likely using a spearphishing attachment as the initial access vector.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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
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.
Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH

A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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/aws?utm_term=bounce+ball+android+game In PDF document text
- https://static.s123-cdn-static.com/uploads/4485451/normal_5fe0294952d81.pdfIn PDF document text
- https://pimelotug.weebly.com/uploads/1/3/4/5/134576353/760525.pdfIn PDF document text
- https://pipalilivo.weebly.com/uploads/1/3/4/3/134310902/2c36f8f6b0053c2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457014/normal_5fa867eae2035.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450250/normal_5fb5d1a3c3336.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473637/normal_5fcd535028fc0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382949/normal_5fe5df87ad508.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418584/normal_5f9a4956bf208.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417523/normal_5fb5b565a0a48.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://uploads.strikinglycdn.com/files/218008a7-d3be-44aa-b223-de8a0244e47d/46492559702.pdfIn PDF document text
- https://s3.amazonaws.com/feborobegibew/pefatajixapewatufuk.pdfIn PDF document text
- https://s3.amazonaws.com/zonivezada/a_pocket_guide_to_college_success_chapter_1.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0c65b530-c95b-4253-8696-73a4e8fe946b/best_spell_mastery_5e.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_off0000d4c8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD4C8	5072 bytes
SHA-256: `af126fc94add659a613bd619280a4d7e00aae6b863c17fa52a37966a77c6b161`
`font_01_sfnt_off0000e5da.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE5DA	10436 bytes
SHA-256: `18be57bf86b1fc2eca306567ae310fa75a86afd799a92e2723c2cfd4c60b2449`
`font_02_sfnt_off000109a3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x109A3	4324 bytes
SHA-256: `d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378`

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