Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc24b1ee3e375d1e…

MALICIOUS

PDF

43.6 KB Created: 2020-08-01 23:08:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ef3988626a52598c0f516da153c5b947 SHA-1: f02202927b72375359d958426849b8edd1bd5557 SHA-256: cc24b1ee3e375d1e1ebfa39d61e5f05301f326684fadb60d3d403f8565099451
194 Risk Score

Malware Insights

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

The PDF contains a high number of embedded links, many of which point to a link farm hosted on cdn.shopify.com, and one critical link to a known malicious redirector at ttraff.com. The document body, though heavily obfuscated, contains the malicious URL, suggesting a lure to trick users into clicking the link. The ML classifier also strongly indicated maliciousness.

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=act+set+up In PDF document text
    • http://files.acweinschenk.net/uploads/1/3/0/7/130775108/zurelaxakikakuk.pdfIn PDF document text
    • http://files.karmanlee.com/uploads/1/3/0/7/130739892/caf1ed.pdfIn PDF document text
    • http://files.house-removals-surrey.info/uploads/1/3/0/7/130776757/lodavosefipepaw.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/1/0439/0263/2104/files/4th_grade_math_vocabulary_cards_pdf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0367/4785/files/xaravosafeliker.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8747/6389/files/dovoxetigodiruwowudaja.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4386/4224/files/jane_fineberg_busy_philipps.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3009/3728/files/53041646752.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6577/8076/files/16882505331.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7789/4293/files/97256164988.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57955619809.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9446/4929/files/57474446730.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7540/3929/files/worapa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7433/8472/files/xitojijagetufiwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5346/6271/files/fotalufimoxo.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 6

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_off00006f99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6F99 4576 bytes
SHA-256: 93922c487bd00929d0fe957faba704c4ade5cbf499a81d1e9a3408c5037a0150
font_01_sfnt_off00007f4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F4A 10316 bytes
SHA-256: 78ffb2f4281f8db78d416a892509a88dfdc66d5b10aec01e89f5c1e7a7aea41d

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