Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9d4f3f96fa6ee9d…

MALICIOUS

PDF

42.8 KB Created: 2020-08-23 14:59:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9ae671906e44b10de6d833965c65212f SHA-1: 24605ceef01a0cd61acfc2e6c44f3e2e17bf8139 SHA-256: d9d4f3f96fa6ee9d0dc04237c71eb3b092a5dcf81ff1c866935e8118afea58b8
194 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=calculator+fonts+free'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. The presence of a large number of external PDF links, many hosted on cdn.shopify.com, suggests a link farm SEO tactic to improve search engine ranking for the malicious redirector. No scripts were extracted, but the PDF structure and embedded links strongly suggest a social engineering lure.

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=calculator+fonts+free In PDF document text
    • http://files.jbdivprod.com/uploads/1/3/0/9/130969681/pixuvu.pdfIn PDF document text
    • http://files.uneek-gifts.com/uploads/1/3/0/9/130968981/31aae79c633fd.pdfIn PDF document text
    • http://files.ftmpevents.com/uploads/1/3/2/6/132680808/vidatudifulomiv-komuwa-mawijo.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/1/0429/6251/8182/files/33579952706.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9755/5108/files/1295252871.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8458/5883/files/fifaxezijijirapiwakop.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4782/1205/files/16091769037.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8181/0595/files/11915607491.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8714/3839/files/jewasijib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6521/2066/files/86628453413.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4098/0647/files/vevuzarasixisepukar.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6665/3858/files/45868655864.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5195/7923/files/dejip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1301/2641/files/vapawidegab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4877/1477/files/79675007944.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0015/8629/files/rarewegovifojofugorigasij.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6305/0394/files/oxford_dictionary_online.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006b9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B9A 4780 bytes
SHA-256: fb2e1d20c17d641422ee1e794dc7677c38b11025d4ee3590e1e1d1110d8c2a1c
font_01_sfnt_off00007be5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BE5 10076 bytes
SHA-256: 697542c384c2d8ff71cd3356dbc542ca00930f964fe64a491da5b5cff852adbc

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