Malicious PDF — malware analysis report

Static analysis result for SHA-256 9ca8f8bc73bcae0e…

MALICIOUS

PDF

44.6 KB Created: 2020-08-23 13:05:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 44d32db17916b355fc1471310772fea0 SHA-1: 824567f8454bf4b43b4e0c0521517ebeb874c785 SHA-256: 9ca8f8bc73bcae0e1b38022820669d741b4d420def72bd7eeeac141c3eeb9d61
194 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic identifying a malicious redirector at 'https://ttraff.com/pify?keyword=html+templates+for+online+shopping+website'. The document body, though partially corrupted, suggests a lure related to 'Html templates for online shopping website'. The presence of a large number of external PDF links, many pointing to Shopify, indicates a link farm strategy, likely to improve SEO for malicious content or to obscure the true destination.

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=html+templates+for+online+shopping+website In PDF document text
    • http://files.stthomasabecketchurch.co.uk/uploads/1/3/1/1/131163858/figonidiwazoxe.pdfIn PDF document text
    • http://baropot.kevmol.com/uploads/1/3/1/8/131871592/jupitisolu.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/1/0437/9875/7538/files/5915898976.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6917/6985/files/40050410399.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9085/4566/files/89977170470.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kefemomorevogik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4871/3896/files/introduction_to_financial_accounting_horngren.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8120/2854/files/nososudumovezixovitatamib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1690/3080/files/lowes_com_rebate_center.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2471/0807/files/99583091527.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4343/8244/files/jegexakoxosuxanibij.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_off00006fd2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FD2 5508 bytes
SHA-256: 590e9b43f0c5e3bde487501f41f6392e58385e4243d4f51e4e892c32e42decb2
font_01_sfnt_off0000826c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x826C 10288 bytes
SHA-256: ccc926a4b3cc6b1bfee3481c1d1d29480e1c0400bb8b74b0949fa2699b27feec

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