Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1d355173df33a9b…

MALICIOUS

PDF

38.9 KB Created: 2020-08-18 22:45:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 46e68bc8d460dd1edb549535e997d359 SHA-1: 8881a5a633c67239dba3788f594677fad2f6ed8a SHA-256: c1d355173df33a9b9a5bc1bc43370366890e66eb0652f9d46614ad5f21225099
194 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to the presence of numerous external links, including a critical heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK pointing to 'ttraff.com'. The PDF also exhibits characteristics of a link farm, with a large number of embedded links, many of which are to Shopify domains, but some are to unknown or potentially malicious domains. The document body contains obfuscated text and embedded URLs, suggesting an attempt to lure users into clicking malicious links.

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=word+document+booklet+template In PDF document text
    • http://nezaso.asantecreatives.com/uploads/1/3/0/8/130814017/gogogajopimozilo.pdfIn PDF document text
    • http://files.michaelandsydneylovepi.com/uploads/1/3/0/9/130969580/de5517310a32bb.pdfIn PDF document text
    • http://files.nanditamukand.com/uploads/1/3/0/7/130739247/8cd6b86d6a.pdfIn PDF document text
    • http://files.mulvaneystudios.com/uploads/1/3/1/3/131379919/povibenutive.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/1/0430/2385/9873/files/golden_software_grapher_4_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7831/1326/files/90707247684.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2891/4074/files/quintiles_get_with_the_guidelines_login.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/somerurunem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0262/5178/files/96055165997.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2470/1845/files/functional_cv_format.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3243/7158/files/6077592416.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9550/7622/files/14143916219.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2236/9446/files/xegawewojovevegago.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/19227598733.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1848/5923/files/mocha_tests_tutorial.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005c73.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C73 5256 bytes
SHA-256: e65a1f72a31ddfba82a15069082a42cffd701dc2bae0680cb5a428ac395dfca6
font_01_sfnt_off00006e3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E3D 9632 bytes
SHA-256: 661f2200348c7ef52932f6f5f264116d48acdb5f5cdbc1c9411789dfb0c28e0d

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