Malicious PDF — malware analysis report

Static analysis result for SHA-256 081e10ddbfd08a84…

MALICIOUS

PDF

39.6 KB Created: 2020-08-19 20:06:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b36090eb959abe5781a69d38a2e5a21a SHA-1: 3e76eb0da2d1eb339c39d2d71c2a7fa06fa45dde SHA-256: 081e10ddbfd08a84bae813ed79f9fb0780618d8301b39691b4ebb3e3ad8e00b7
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, many of which point to a redirector service (ttraff.com) known for malicious activity. The document body, though heavily obfuscated, includes the same redirector URL and a benign-looking Shopify URL, suggesting a lure to a phishing or malware distribution site. The presence of a link farm and redirector links indicates a campaign to drive traffic to malicious infrastructure.

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=answering+machine+meaning+in+spanish In PDF document text
    • http://files.medicarespecialist.com/uploads/1/3/1/8/131872286/pajapef_wofaxedofi.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/1/0434/2457/9751/files/bloqueo_av.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7929/3338/files/87074462124.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1610/0776/files/15482251994.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4566/5433/files/milixezepego.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/39086675177.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8099/1388/files/median_in_r.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7275/7668/files/lidawiravakabor.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2969/2577/files/24884056326.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2457/9736/files/11479868189.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 4

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_off00005976.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5976 5396 bytes
SHA-256: 954950d534eed3764119796c28e9b01f525e3919883d3990ba8bfa6d800443fe
font_01_sfnt_off00006bb1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6BB1 11396 bytes
SHA-256: 98b922c9929250d02f26367110a21c2028d917d6d22e299fb72aba87da2727bb

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