Malicious PDF — malware analysis report

Static analysis result for SHA-256 30c1f9f850566040…

MALICIOUS

PDF

36.7 KB Created: 2020-08-10 12:19:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0e287f2639e05079f152fc08b651bf54 SHA-1: d51e706087179e31f8440306128530cd194407ef SHA-256: 30c1f9f85056604049c14b3062312eeafbf080cd5aff69c674ca11790fd52e85
194 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including a critical redirector link to ttraff.com, disguised as a worksheet. This indicates a link farm or redirection scheme designed to lead users to malicious content. The ML classifier strongly supports the malicious verdict. 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.com/pify?keyword=dividing+polynomials+worksheet+with+answers+pdf In PDF document text
    • http://files.footballinmyblood.com/uploads/1/3/0/7/130740051/722c1.pdfIn PDF document text
    • http://files.arippleeffect.ca/uploads/1/3/1/3/131380546/79e8d0.pdfIn PDF document text
    • http://files.daviessurveys.com/uploads/1/3/1/6/131636941/muvora-fuwaxedifim-fitanofures.pdfIn PDF document text
    • http://ninerab.johnlooscomedy.com/uploads/1/3/1/0/131070420/romagidevupex-pofusali-sofalulimus-lanimigiv.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/1/0432/6971/8182/files/67165582262.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/diabetic_ketoacidosis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3583/6059/files/xejepisigozenava.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mozesuseb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/1966/3522/files/30561206665.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4506/8699/files/75296977130.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7832/8221/files/fefudo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6656/4507/files/wosiroduwabute.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1796/9570/files/78667962906.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9651/4461/files/tipanuwo.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_off000044df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44DF 5560 bytes
SHA-256: 43e4105290fb57ade11e3c15b9e3df0759507f66e2e583f2c8f61dfea2ca71ce
font_01_sfnt_off000057af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57AF 9368 bytes
SHA-256: cab160ee29129eb28fa62962777e1aae12241c51234b2af6700b795c7d21eb8f
font_02_sfnt_off000077b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77B6 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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