Malicious PDF — malware analysis report

Static analysis result for SHA-256 86acdec5bbfcfa26…

MALICIOUS

PDF

57.6 KB Created: 2020-08-23 02:08:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e1f093d6891ea1f88a98f0931667d930 SHA-1: dc954771a302245a0161134c9838fbed51e368e6 SHA-256: 86acdec5bbfcfa26085ef1520573cd13692e4b25e486cfdcf9ac322f8ecfadc2
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links that redirect to a known malicious infrastructure, specifically `https://ttraff.cc/pify?keyword=ota+tv+guide+austin+tx`. This URL is presented as a TV guide, suggesting a phishing or scam lure. The presence of numerous links to external PDFs, many hosted on Shopify, indicates a link farm designed to obscure the malicious destination. The ML classifier strongly flagged this PDF as malicious.

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.cc/pify?keyword=ota+tv+guide+austin+tx In PDF document text
    • http://gexure.naturaincognita.com/uploads/1/3/1/4/131482975/9397fd53e8720b0.pdfIn PDF document text
    • http://files.jacksonvilleartistsguild.org/uploads/1/3/0/8/130813108/3553427.pdfIn PDF document text
    • http://zubavi.goldorchestra.org/uploads/1/3/0/7/130739625/niwiguwat.pdfIn PDF document text
    • http://files.poseidonbrewingco.com/uploads/1/3/1/3/131380687/434ed9.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/1/0429/8866/7034/files/65109788014.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6728/4387/files/organelas_celulares_e_suas_funes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4393/7690/files/it_s_going_down_for_real.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7199/5033/files/elmer_s_wood_glue_msds_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4104/6171/files/30043394949.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3925/1870/files/1578265646.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1583/8628/files/abstract_reasoning_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1458/6521/files/business_ethics_case_study.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3418/0769/files/vibosafovujuvakogoxug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0998/1085/files/aditya_birla_sun_life_mutual_fund_redemption_form.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 6

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_off0000a342.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA342 5020 bytes
SHA-256: c0cd34d3a034bd4b52ee630d59e7b2d049b91370d36587513ab895ddbae1280f
font_01_sfnt_off0000b475.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB475 10408 bytes
SHA-256: e34575f86b29f53a4000595160e6ea2b8c360b0856c91b0f9e93c0dad18f039f

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