Malicious PDF — malware analysis report

Static analysis result for SHA-256 60bb8c104234dc1b…

MALICIOUS

PDF

46.6 KB Created: 2020-08-16 18:33:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9f7444459ef24537c3bd5075a84e00b9 SHA-1: 3efc00c03cbf269949006e65fa4fe9077e3f7f5e SHA-256: 60bb8c104234dc1bef5e9c41a2c1cefd407410d032ac0edd3d3f5c1c2886f21c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links, including one pointing to a known malicious redirector at 'https://ttraff.cc/pify?keyword=are+cosy+house+sheets+good'. This redirector is likely used to obscure the final malicious destination and is associated with SEO link farms, suggesting a phishing or scam campaign. The ML classifier also strongly indicated maliciousness.

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=are+cosy+house+sheets+good In PDF document text
    • http://files.findbeautyintruth.com/uploads/1/3/2/3/132303118/8271922.pdfIn PDF document text
    • http://files.codsallhistory.com/uploads/1/3/0/9/130969772/aad023a02d3a88.pdfIn PDF document text
    • http://files.toprankshowcase.com/uploads/1/3/0/8/130874163/2973010.pdfIn PDF document text
    • http://files.minisodaaussies.com/uploads/1/3/1/4/131453255/zedebizewuzalirimi.pdfIn PDF document text
    • http://roragurir.tfexpo.net/uploads/1/3/2/7/132712354/8663266.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/1/0435/4995/0116/files/45568613593.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9948/8410/files/xevesamamino.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9496/6429/files/34775559228.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6090/4615/files/zasuzogevizukenok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7515/7670/files/tv_guide_magazine_buy_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7401/9740/files/42134488736.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6232/1567/files/demed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2086/0064/files/evangelios_apocrifos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2655/3755/files/ez_go_golf_cart_wiring_diagram.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2230/0822/files/75164499120.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 3

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_off000077d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77D6 5048 bytes
SHA-256: 794961755eda9912ee5baed3bf376402165f5bc4cb3b3e89999ceada5c9c7fad
font_01_sfnt_off000088f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88F9 10760 bytes
SHA-256: 4f80308de7a07e934ef403c8eb53f50dbf85fb84f82528ba754f79d459220e81

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