Malicious PDF — malware analysis report

Static analysis result for SHA-256 e069862c3629e072…

MALICIOUS

PDF

61.3 KB Created: 2020-08-05 08:52:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c84cf534949326ef9ea63c437bee8ced SHA-1: 161260dd6e40140b54713089ec75b50f2f783bc9 SHA-256: e069862c3629e07216bc3311c33f9f3a429b4fdaf22d35a9e9682209f598ca12
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF was flagged as malicious due to a critical heuristic identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the same URL found in the heuristic. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm or SEO poisoning attempt to lure victims. The ML classifier also strongly indicated maliciousness.

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.com/pify?keyword=electronic+distributor+ignition+system+pdf In PDF document text
    • http://files.katsparklez.com/uploads/1/3/1/4/131438067/bf94b.pdfIn PDF document text
    • http://files.honeypotcreativecafe.com/uploads/1/3/1/4/131454286/5478923.pdfIn PDF document text
    • http://files.hourkidsmn.com/uploads/1/3/1/3/131381518/3317465.pdfIn PDF document text
    • http://files.paper-and-light.com/uploads/1/3/1/6/131637104/f7e1b0b9cdb0.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://cdn.shopify.com/s/files/1/0434/5721/6678/files/72749420934.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3425/5265/files/mupewi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5744/6038/files/52261364715.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4030/9402/files/519331505.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2083/7279/files/how_to_become_anorexic.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/58014629257.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4386/3198/files/1999_ford_taurus_repair_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0057/8723/files/walter_gropius_biography.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6539/3831/files/49223425175.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5122/0133/files/bejigiguvoputode.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1087/4777/files/saxapixotetalot.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 8

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

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a551.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA551 5348 bytes
SHA-256: 965fbc49641ecdbd6bdddf178f85bda4b9bac3ce0da4a0daa2bd7e474b61e03c
font_01_sfnt_off0000b76c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB76C 10048 bytes
SHA-256: 56773c1106789d39e7ae3280c8f581aafa99313e061154d3ba79b4b72ba0d466
font_02_sfnt_off0000d9cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9CC 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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