Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccf8e1a2e353b71f…

MALICIOUS

PDF

36.5 KB Created: 2020-08-23 11:39:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5391d744f4e203e49be7daaba7bfb0fb SHA-1: c0955d75d6ed0261e03a9718b4f96ce9978b64d1 SHA-256: ccf8e1a2e353b71fd44f4434eadd9ba236a896e39549473985e212dfbb95cc92
194 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. One critical heuristic identified a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=ingenuity+foldaway+rocking+bassinet+fletcher+sheet', indicating an attempt to direct users to malicious content. The document body itself contains garbled text mixed with product names and the redirector URL, further supporting the lure. No scripts were extracted from this sample.

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.cc/pify?keyword=ingenuity+foldaway+rocking+bassinet+fletcher+sheet In PDF document text
    • http://files.pattyschroeder.com/uploads/1/3/1/4/131454355/xelawonuletise.pdfIn PDF document text
    • http://xabexu.montbrae.com/uploads/1/3/1/4/131453050/79072591a65f1.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/ninitegabi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/0011/3813/files/la_comadre_sebastiana_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7840/1700/files/dobuwawesivofugovu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8852/7013/files/29673831911.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7128/4135/files/fivevisapugelifafizo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6896/4520/files/nirexuditived.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/4539/4331/files/agenesia_del_cuerpo_calloso_sintomas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6577/7059/files/xutimuzuzitakis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3420/6631/files/40930151730.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8694/5187/files/20771048589.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1297/0903/files/whitney_cummings_height.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4099/5490/files/86774939884.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004349.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4349 5500 bytes
SHA-256: 0b9326e3f85bcf9d8774668244cc67de18ce2c2e2819589b1a87706dae03c10d
font_01_sfnt_off00005609.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5609 9616 bytes
SHA-256: 93c67056b7136e7a697c1da6381f3d86ce9b967d892606e1707ed54b70a4b150
font_02_sfnt_off000076f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76F5 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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