Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f0e63e33a3b6c55…

MALICIOUS

PDF

45.9 KB Created: 2020-08-05 17:48:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a654cc33327a27c3c78f2a21a0fe7ede SHA-1: ddba95030fc21f01edceda717ab578411076f03f SHA-256: 8f0e63e33a3b6c55c31f38ceaf931d151d8fd7cb543a737b9fb5d4fee33755ba
194 Risk Score

Malware Insights

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

The PDF contains a link to a malicious redirector, ttraff.com, disguised as a document about leadership styles. The ML classifier strongly flagged this PDF as malicious. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm used for SEO poisoning to distribute malicious content.

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=autocratic+leadership+style+definition+pdf In PDF document text
    • http://files.jarpromotion.com/uploads/1/3/0/8/130814682/8b0b57.pdfIn PDF document text
    • http://files.pennjournalconlaw.com/uploads/1/3/2/6/132682694/bawibixijuzawo.pdfIn PDF document text
    • http://files.well-builtcity.com/uploads/1/3/1/4/131437655/1f15a7e.pdfIn PDF document text
    • http://puzezaxif.culturempls.com/uploads/1/3/1/4/131454106/xilumawudozada.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/1/0429/6704/0154/files/wijabelewekepurazevolujof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8032/7070/files/25698619220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8929/7568/files/gebinoxawej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9372/8158/files/if_else_statement_in_r.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7689/5398/files/63155262593.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8083/5482/files/bahari_za_mashairi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6556/5589/files/3124132348.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2502/2621/files/jusoj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9380/2646/files/72223554077.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000770b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x770B 5336 bytes
SHA-256: f77866332bba0fd6f208d99322c6750a1e76076de1280b044fb596bd13b543ee
font_01_sfnt_off00008933.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8933 9880 bytes
SHA-256: e02673040a10f85e679d17affa373c0e2b7202ef23f0c07b0459809ef355b214

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