Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ab312c1eaa2e0f5…

MALICIOUS

PDF

37.6 KB Created: 2020-08-10 22:01:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 72d29c07fc62b047e2e0c739ff5fafea SHA-1: cb3c6f57874730fe47977f0aab50406c493ed61a SHA-256: 7ab312c1eaa2e0f5d343aab02ebc7fa45b90331394102419e791ee41367cb0aa
194 Risk Score

Malware Insights

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

The PDF contains a link farm designed to appear as free downloads, but the primary link redirects to malicious infrastructure at ttraff.cc. This indicates a phishing or scam attempt to lure users to a malicious site. The ML classifier strongly supports the malicious verdict.

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=renaissance+periodization+cookbook+pdf+free In PDF document text
    • http://files.tridentpest.com/uploads/1/3/1/6/131637316/suzubo.pdfIn PDF document text
    • http://files.juliannegunn.com/uploads/1/3/1/3/131379832/xonit_metuv_begusoweposafos_fikosaf.pdfIn PDF document text
    • http://files.sacred-expressions.com/uploads/1/3/2/6/132695990/01cc90.pdfIn PDF document text
    • http://files.plantinggems.co.uk/uploads/1/3/2/6/132682868/solijilerumikiwegife.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9173/8277/files/banjo_kazooie_minecraft_skin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0703/1966/files/osrs_chaos_druids.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6195/3191/files/61979879321.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0079/9140/files/ansys_cfx_solver_theory_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8180/1629/files/jolubewafanigumid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4877/2519/files/wotefevukunerobanibikokeg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4076/7132/files/bornholm_disease.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7462/6470/files/11669593849.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0279/7986/files/62007981719.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000494b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x494B 5168 bytes
SHA-256: b2ab84643d8384c7a4bf6ca62098d1ecf684aec0fd15f1d4aaa7214e8b8069a4
font_01_sfnt_off00005aeb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5AEB 9412 bytes
SHA-256: 45178df38decf25fcea4839f5f49d9c5fbc21366a3040848a9e457dd038cde0c
font_02_sfnt_off00007b25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B25 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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