Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c05236c6f3a9101…

MALICIOUS

PDF

84.1 KB Created: 2020-08-20 14:13:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 467923e496f52d46e997b76ea7ef18c6 SHA-1: ccb4d40c450ec2a807a8843c33421d35ab0552f2 SHA-256: 9c05236c6f3a9101612c2e51af5265df0b627d785d0e344b6452c842e2af2e46
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a mass external link farm, with many links pointing to benign content on Shopify. However, one critical heuristic identified a link to a known malicious redirector infrastructure at 'ttraff.com'. The document body, though heavily obfuscated, contains the string 'E i a report' and the malicious URL 'https://ttraff.com/pify?keyword=e+i+a+report', suggesting a lure to a phishing or malware distribution site. The presence of multiple embedded URLs, including those hosted on Shopify and other unknown domains, further supports the attack pattern of a link-based lure.

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=e+i+a+report In PDF document text
    • http://jesizet.fpzuc.co/uploads/1/3/0/8/130874218/vinuzimadaja_nasasobej_lonokekin_lomekiwit.pdfIn PDF document text
    • http://xusam.wetnosespa.com/uploads/1/3/0/7/130738629/1839165.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/1/0432/6568/7717/files/84368738446.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0655/7345/files/conveyor_belt_design_manual_bridgestone.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5656/9249/files/depafumo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4586/1029/files/business_plan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/3287/4901/files/vesubuxuxovodonaxadujotaj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2376/0536/files/bauhinia_purpurea.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9432/7961/files/virology_definition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5288/3352/files/21228944423.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7105/2703/files/36741991360.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9462/1862/files/24712483521.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/8235/4589/files/24727835978.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9743/2999/files/defilo.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 2

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_off00010eac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10EAC 4560 bytes
SHA-256: 5bb5aaa5e34ecce10e449d498e0559e9fb7a97dfd8061a6f4c1576ac46a90554
font_01_sfnt_off00011e3c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11E3C 11072 bytes
SHA-256: 8cfb557223322f4020848af24c8fbea1727996ba84023dba4b8dcde592680b32

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