Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5187715d325f247…

MALICIOUS

PDF

42.8 KB Created: 2020-08-03 14:45:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6f8b96358851a995cbd148a68c362462 SHA-1: 38f23b9ee6201fcb12adb3dca9bd092020b9f6f0 SHA-256: c5187715d325f247c617e0be153e367e4a565f02d364449baf0503f8cf77ef30
194 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, many of which point to a link farm hosted on Shopify. One critical heuristic identified a link to a known malicious redirector, ttraff.ru, which is likely intended to lead the user to a malicious site. The document body, though partially corrupted, contains text related to a schedule and the URL itself, suggesting a lure to trick users into clicking the malicious link. 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.ru/pify?keyword=minneapolis+blue+line+schedule+pdf In PDF document text
    • http://files.iokokanoa.com/uploads/1/3/2/8/132814611/f474b377ed69.pdfIn PDF document text
    • http://files.brocknorton.com/uploads/1/3/1/4/131406181/dubisipivide-tewiroguxakow-wojedobo-fomudagogudej.pdfIn PDF document text
    • http://files.duncanranchwhitetails.com/uploads/1/3/0/7/130740465/gulasudavewa.pdfIn PDF document text
    • http://files.jojoknits.com/uploads/1/3/1/4/131437074/59efe1d03758.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/1/0434/0531/2154/files/duwakedifibizogaku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4605/0714/files/47119028451.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4166/0826/files/85173449276.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/9080/2856/files/xafuradatonoporam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8706/9335/files/wipejapoxaxaperubo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/20675343362.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0133/0339/files/8006836707.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5738/1530/files/83000266209.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7727/0692/files/70272853523.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3581/9173/files/37666282009.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7672/8485/files/fosubu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1811/5480/files/kujilatodixiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6777/6919/files/64456578553.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 5

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_off000069cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x69CB 5292 bytes
SHA-256: c265144b2073d871af10a26e7f023f7265c7cd7b8277a223cf48ed203541ba26
font_01_sfnt_off00007bd1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BD1 10020 bytes
SHA-256: 7d4ee0d203147246e2eb09b2eac8fd6e073693345c4794c23ec19939c97469be

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