Malicious PDF — malware analysis report

Static analysis result for SHA-256 9593e4008cd917d2…

MALICIOUS

PDF

37.5 KB Created: 2020-08-03 18:49:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 377528df37a46cc9948d91333d01d59a SHA-1: ddfc7b0e008992305803ba508c8ad897a5569295 SHA-256: 9593e4008cd917d2449f8f8977e1bf281b9739dae27003d46257eb1f4c69a985
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many pointing to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation. Crucially, one of these links redirects through 'ttraff.cc', which is known malicious infrastructure. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the primary attack vector appears to be directing users to malicious or potentially malicious content via a link farm.

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=ambitious+baba+insurance+pdf In PDF document text
    • http://vokabolez.askdogood.com/uploads/1/3/1/4/131406840/kinajonak_saposibizawov.pdfIn PDF document text
    • http://files.roejendradesigns.com/uploads/1/3/1/3/131380845/120d71d4bb.pdfIn PDF document text
    • http://files.andicho.com/uploads/1/3/1/4/131438202/zateweleg.pdfIn PDF document text
    • http://files.deliciousdelivered.net/uploads/1/3/0/7/130738785/8089a20f8.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/90209356055.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1681/2706/files/rodogadare.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/5696/1438/files/wizedadedazug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7624/7967/files/nisonag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9162/4097/files/zujisugonutetanowo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6268/0984/files/87269895879.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/4117/5190/files/72228375280.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3264/9636/files/33603007937.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1387/3569/files/zikuvesukelime.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0222/5059/files/10911506315.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2400/5794/files/miduxafezurog.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004705.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4705 5280 bytes
SHA-256: 19d6c3d72b345595c846dcff764ee085ca045375b3f881152d094857470c4dd2
font_01_sfnt_off000058d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x58D4 10032 bytes
SHA-256: 98cf3b4c5c7b428dc51c68b20572f639deb1f7aea05e013fe87b922d944a11eb
font_02_sfnt_off00007ae9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7AE9 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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