Malicious PDF — malware analysis report

Static analysis result for SHA-256 814aa1faab8127c1…

MALICIOUS

PDF

41.1 KB Created: 2020-07-28 19:11:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fa98649239832d06d38747b717eebd91 SHA-1: 106fbd14e67cb27cb022ce854920b6c8df156342 SHA-256: 814aa1faab8127c1a0b27095b4eb655ee8eb80c53f4c8505451f1763b87e5a42
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links designed to create an SEO link farm, directing users to a malicious redirector at 'https://ttraff.ru/pify?keyword=customer+experience+design+powerpoint+template'. This suggests a phishing or scam attempt disguised as a template download. No scripts were extracted, but the presence of embedded URLs and the heuristic firings strongly indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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://ttraff.ru/pify?keyword=customer+experience+design+powerpoint+template In PDF document text
    • http://files.westwoodvolunteerems.org/uploads/1/3/2/6/132682110/pukodavekesuz.pdfIn PDF document text
    • http://files.risecorpuschristi.org/uploads/1/3/0/8/130813834/8165255.pdfIn PDF document text
    • http://files.schrodingeracademy.org/uploads/1/3/1/4/131437446/5746945.pdfIn PDF document text
    • http://files.jennybirmelin.com/uploads/1/3/1/3/131379724/7972088.pdfIn PDF document text
    • http://files.moonrockman.com/uploads/1/3/1/3/131383588/01c44b6d.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2161/5775/files/75673479612.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/5604/7004/files/talefuwim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3532/0735/files/tawobu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0063/5290/files/7571032127.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2410/5121/files/79361165712.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9242/5384/files/telewimifisabumo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6019/1641/files/numuvu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4433/8838/files/pivur.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3005/2005/files/zudud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7729/6543/files/19341081885.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4630/4920/files/xapesozipura.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8171/8173/files/35220511585.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

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000063d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63D9 5460 bytes
SHA-256: 8fa895877365b37598d05e7ecdb89389ad75c3bf684f684e8996a8371f9795bc
font_01_sfnt_off00007668.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7668 9540 bytes
SHA-256: 26c65666500f6ae541034332689ca4000f44579d25be04249064ad27bf509bff

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