Malicious PDF — malware analysis report

Static analysis result for SHA-256 363a917374ad5c47…

MALICIOUS

PDF

34.3 KB Created: 2020-08-14 14:41:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 65f41112677f869d514cb60990b8339c SHA-1: d15efadb821e2b990fd4283d7f5abdf6acf0ae21 SHA-256: 363a917374ad5c471f60fe41cdd9fc11b7a9016099fa8dd76bfb867deda7a86c
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.com/pify?keyword=booklet+design+vector+free, which is likely intended to lead the user to a malicious site. The presence of numerous Shopify links suggests an attempt to blend in with legitimate content while distributing malicious redirects.

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=booklet+design+vector+free In PDF document text
    • http://files.talsegevphotos.com/uploads/1/3/1/3/131398555/kiwuvibekuwotiwaxaja.pdfIn PDF document text
    • http://files.mgetsinslp.com/uploads/1/3/1/6/131637316/podanobabi.pdfIn PDF document text
    • http://jojevul.clanchildhealth.org/uploads/1/3/1/4/131438563/putuxexiwone.pdfIn PDF document text
    • http://razinek.activatingauthenticity.com/uploads/1/3/1/6/131606490/gezuwelivotuwisiga.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/1/0435/8501/1871/files/ludupe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0262/6202/files/70957885829.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4845/9675/files/thomas_aquinas_summa_theologica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/8138/8452/files/free_it_ebooks_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3123/2674/files/56679469921.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1311/1961/files/vojibobipopuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2340/8032/files/diwarewod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5453/7624/files/ferebunabibedexoxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/8651/0232/files/pededuludovivaroge.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4275/7029/files/atrahasis_epic_full_text.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4743/5940/files/xokenegujuni.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_off00004aa9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4AA9 5152 bytes
SHA-256: ad0c9db7a4cbe45b4680c86f7c935f8fa25f377acda37df5ba5700d08c5c4717
font_01_sfnt_off00005c4d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C4D 9412 bytes
SHA-256: 84282dab2f30c1c63d9576224ec9c93ee495eccbee7620f73d313739042e5e2d

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