Malicious PDF — malware analysis report

Static analysis result for SHA-256 55fe0430bdca4776…

MALICIOUS

PDF

55.1 KB Created: 2020-08-17 01:14:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4e255a88466fc8f313b637b7739688fc SHA-1: 136d252e806f9e895bdefa890b9957343e68469f SHA-256: 55fe0430bdca477629c1b50d90b4f854fa71a4a69ce3495217ed3826ee7ee2f0
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.cc'. This URL is presented to the user as a link to 'livecareer free resume templates', indicating a social engineering lure. The PDF also contains a large number of embedded links, many of which point to Shopify domains, suggesting a link farm or content distribution network used to host the malicious content. 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=livecareer+free+resume+templates In PDF document text
    • http://baviguf.friskypress.com/uploads/1/3/0/8/130814229/8309217.pdfIn PDF document text
    • http://files.thatpenbloke.com/uploads/1/3/0/8/130874011/7628351.pdfIn PDF document text
    • http://files.thetappingtrend.com/uploads/1/3/1/4/131437377/wikulevufutiwa-xowosefezida.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/1/0440/3383/5173/files/jilegukerolivepiwulon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3729/4754/files/msc_botany_notes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5359/6324/files/51210949473.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6191/1458/files/96575599005.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6418/1404/files/gradle_tutorial_java.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0742/4158/files/wagotakutapewakup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8815/0690/files/armed_conflict.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/68769425665.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1558/5448/files/semuwitipaxanadapibovimiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/0137/5912/files/advantages_of_using_technology_in_teaching_mathematics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2218/8701/files/18730031156.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 4

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_off00009a3e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A3E 5160 bytes
SHA-256: 99ffe54e1cb717b40bd3027973790bbc5203b010417b89a4c3a5885e583bd9b5
font_01_sfnt_off0000abc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xABC0 10476 bytes
SHA-256: 1cb99a07c2213783390ce1c7448b22b3c48dae383379e2e28978109fc9d55ad5

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