Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba6247148cfcbe23…

MALICIOUS

PDF

41.0 KB Created: 2020-08-25 02:33:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 872cef03731537b1c08d32a0b57b3d47 SHA-1: f22a13fc46883b5e5f97c63ca12d26ed0725c073 SHA-256: ba6247148cfcbe23df06f27fae67bc06f65513e8430d296e1e0ca43bf17c9006
194 Risk Score

Malware Insights

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

The PDF document contains a link to a known malicious redirector, ttraff.ru, disguised as a cover letter template. It also exhibits characteristics of a PDF link farm, embedding numerous links to other PDFs hosted on various domains, likely for SEO manipulation or to distribute further malicious content. The primary attack vector appears to be social engineering through a seemingly legitimate document, leading users to a malicious site.

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=cover+letter+template+south+africa+pdf In PDF document text
    • http://files.metrodetroitreview.com/uploads/1/3/1/8/131856883/ziroladuti.pdfIn PDF document text
    • http://files.bahrainaviators.com/uploads/1/3/2/6/132681855/c5a876d4a175.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/1/0432/9878/3382/files/dipofozipoba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0412/3557/files/titafexar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5690/5885/files/55968457476.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9812/1119/files/buzitanipemawisas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2396/5079/files/66346501001.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0083/9842/files/bewaguxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9431/7981/files/birazuditajukuvoxunedu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1892/7775/files/54527767543.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4494/5571/files/architectural_acoustics_marshall_long_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8721/6293/files/basepizedowo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9902/1731/files/xexixu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6355/8815/files/45636383980.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7540/3936/files/35621653896.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8998/4674/files/hold_my_liquor_lyrics.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_off000060ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60AD 5360 bytes
SHA-256: f5204f6240080c3076230bedb7b6c0b7da1a9c292e43cf7ebca08513a9c96098
font_01_sfnt_off000072c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72C6 10616 bytes
SHA-256: bc546e6086be6acb6807b2a4c68e279dfde5429deaebe986ff02741580bce4e6

Open this report in the interactive analyzer, or submit your own file for analysis.