Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc42cc01a79aee0c…

MALICIOUS

PDF

55.4 KB Created: 2020-08-25 03:11:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6c58aa3fe0a2d7487d210b2c20800c84 SHA-1: ef4e7c54d022db476ae7d213cf2d569c4639461e SHA-256: fc42cc01a79aee0c3277572519d24f05243c10ad777aa7a3b0a560c1ea76b8c7
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to Shopify domains, but one critical heuristic identified a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=twin+bed+sheet+size+in+cm', which is likely intended to redirect the user to a malicious site. The presence of multiple embedded URLs and the malicious redirector strongly suggest a phishing or redirection attack.

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=twin+bed+sheet+size+in+cm In PDF document text
    • http://files.nocontractppc.com/uploads/1/3/2/8/132814071/20b4adfaee3.pdfIn PDF document text
    • http://files.sathiavanee-veeramoothoo.com/uploads/1/3/1/8/131871891/jidutemepupaz.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/1/0431/5601/3205/files/64818100511.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1514/2567/files/moonlighter_golem_volume.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0686/0187/files/pisoladelatodo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7192/2591/files/cascadian_farms_cereal_nutrition_information.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7857/3464/files/90838843539.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1578/2045/files/android_adaptive_icon_generator_online.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0379/7913/files/furapojovidipufutixomi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2172/8918/files/48916975446.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0465/2272/8606/files/concerto_in_f_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8806/8254/files/vifesorumegurak.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/1511/6696/files/89565915833.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000088c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88C0 3008 bytes
SHA-256: e68d3bdd307d8080677d11e5815fc1330f818d10f2f5147c08006b6e5414ce09
font_01_sfnt_off0000936f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x936F 5072 bytes
SHA-256: 0f0391423d407d324d506123e12d34442fb524d2adb7ea50bcfa91981532a8f8
font_02_sfnt_off0000a49a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA49A 14384 bytes
SHA-256: 331cdc06f3639116334ea41b83e983014d415bd66095adf8f3b4e5970eb2778f

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