Malicious PDF — malware analysis report

Static analysis result for SHA-256 1abc5a641947255c…

MALICIOUS

PDF

55.0 KB Created: 2020-08-08 20:50:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7a8729a03273915fd030aa7cdb59349c SHA-1: 208e1139679a1cab38af3a90e3203e317b00cc8a SHA-256: 1abc5a641947255c65270e13215d2f5064304c7524393fb45daed1d0d20d895e
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links, 'https://ttraff.com/pify?keyword=accounting+process+and+principles+pdf', is identified as a malicious redirector. This suggests the document is designed to lead users to malicious infrastructure, likely for phishing or malware distribution.

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=accounting+process+and+principles+pdf In PDF document text
    • http://files.lukaswolfacupuncture.com/uploads/1/3/1/8/131871720/2635b399.pdfIn PDF document text
    • http://files.driggssnowscapes.org/uploads/1/3/1/4/131453252/287445.pdfIn PDF document text
    • http://files.whatdowewantfilms.com/uploads/1/3/0/7/130739174/3856100.pdfIn PDF document text
    • http://files.adelynsartcorner.com/uploads/1/3/0/7/130775033/5396177.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/1/0434/7818/8198/files/berliner_platz_3_neu_hrtexte.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/3248/6823/files/puvibutivokajita.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4909/0200/files/github_how_to_create_a_branch.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6660/5219/files/zizizerupufesoni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7538/7043/files/zerixixip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8425/9231/files/como_hacer_un_ensayo_descriptivo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4371/6262/files/kokufanolofele.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3487/7847/files/napubawolakumodisekutikig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8457/1031/files/jixepigopamimow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/14192803693.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5687/3128/files/xulesobakikikokoguxuvomim.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 5

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_off00009934.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9934 5312 bytes
SHA-256: 8ca4c3a92ff6b4dd782b6af2c471000b32176f4d7c85a63def1f8f2c66703070
font_01_sfnt_off0000ab5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAB5A 10536 bytes
SHA-256: b875939b6f86aaa0f1e9315ab1af6c9b8a27665182214e1e615d758a518422b3

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