Malicious PDF — malware analysis report

Static analysis result for SHA-256 36ed319ad496d1ff…

MALICIOUS

PDF

41.7 KB Created: 2020-08-25 00:27:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6a54c97f094da53267b5f9aa2416bc95 SHA-1: befc2f1a69ad9309f899b8f060211b94a646fc74 SHA-256: 36ed319ad496d1ffbc97ad853e2a585dc1e9175da7ffec987ddb4b4032fa96a4
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded links, a technique often used to direct users to malicious websites. One of the primary links, 'https://ttraff.cc/pify?keyword=breadboard+circuit+simulator', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other links hosted on Shopify and other domains, suggesting a link farm designed for SEO manipulation to attract unsuspecting users. The presence of numerous external links points towards a social engineering attack aiming to redirect users to potentially harmful 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.cc/pify?keyword=breadboard+circuit+simulator In PDF document text
    • http://files.imolagaspar.com/uploads/1/3/1/4/131409794/jofitato_wamujezifakuwo_forolu_wobataparugu.pdfIn PDF document text
    • http://gotuwaz.nbflebanon.org/uploads/1/3/1/0/131070161/5f2406736.pdfIn PDF document text
    • http://buriwekos.redsledornaments.com/uploads/1/3/1/3/131398564/silig.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/1/0430/0609/9605/files/kudeweferiwufijevum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7926/2615/files/gebutudaravolawotux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2767/6829/files/fuwelexine.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4474/8950/files/vudagi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0463/3460/7522/files/27772789889.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8680/5147/files/vevufa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3704/6437/files/41261067019.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/7952/4501/files/codashop_hack_mod_apk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1189/7504/files/jumusisizoloda.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5135/1207/files/dorure.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/1677/6862/files/barber_shop_equipment_list.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 2

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_off0000643e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x643E 5276 bytes
SHA-256: 8d9e930e6dc89b124c43d47f27084d01b8779f88de7829a5a249f425bb363432
font_01_sfnt_off00007605.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7605 10584 bytes
SHA-256: 8190607c3554e165cf5636a381676e26afd0409e947d9206b87e504d43084fa6

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