Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c12435740590501…

MALICIOUS

PDF

60.7 KB Created: 2020-08-19 07:32:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5725d2a62ae9098c7e8cd8e75a4c3600 SHA-1: eb2d6c96eac5c6c94cb31fc2582d908dd46c4125 SHA-256: 9c1243574059050145dc715b8182aaf742c3588d20e08cb981c99faf035a26df
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=can%2527+t+feel+my+face+song+free'. This indicates an attempt to redirect the user to a malicious site. The document body, though heavily obfuscated, also contains this URL and numerous other links to Shopify-hosted PDFs, suggesting a link farm or SEO poisoning tactic. The primary intent appears to be social engineering via a deceptive link.

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=can%2527+t+feel+my+face+song+free In PDF document text
    • http://files.lyonstownship.org/uploads/1/3/2/6/132695445/pegiradajomoma-leganarilip-nitututosulo-kovanewav.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/1/0434/1586/3447/files/4713022644.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3550/0439/files/xikeligunoweluperofiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1478/2104/files/35480656281.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3901/2502/files/70493463976.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8541/1990/files/67893425535.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6290/0374/files/ant_colony_simulation.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8669/9925/files/equilid_50_mg_bula.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6339/1894/files/bms_season_1_episode_1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7487/1711/files/latest_verizon_android_phones.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2571/0750/files/amines_ncert_solutions_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3432/0794/files/vapuvano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5486/6333/files/zabujuxemedafexazejeju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5525/1605/files/sum_columns_in_r.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a42d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA42D 5240 bytes
SHA-256: 9781d521141e4d703f62202018c2ff521c0f8895db0c8bf282b448b08a99419a
font_01_sfnt_off0000b604.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB604 15660 bytes
SHA-256: de68231d42d00ceab3a2b633ffd6c29aea4357a8e9b64af4654a6d72e92a64a0