Malicious PDF — malware analysis report

Static analysis result for SHA-256 ae4f963316fe12ba…

MALICIOUS

PDF

44.7 KB Created: 2020-08-08 11:57:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7d8c9056e3e6edb7e8d2a4e3482ceef4 SHA-1: b099f0bbdafdf6388219cb13fcb4c856feba8abe SHA-256: ae4f963316fe12badcc663c7b3775062d561899475766aff1f37a2e8aae65398
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to a known malicious redirector at `https://ttraff.ru/pify?keyword=wave+function+of+the+universe+hawking+pdf`. The document body, though partially garbled, includes this URL, suggesting the document's primary purpose is to drive traffic to malicious sites. The presence of numerous Shopify-hosted links, some flagged as benign and others unknown, indicates a link farm strategy.

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=wave+function+of+the+universe+hawking+pdf In PDF document text
    • http://files.learningdifferencesresourcegroup.com/uploads/1/3/2/7/132740445/wodisemunisipo.pdfIn PDF document text
    • http://files.myprovidenceconstruction.com/uploads/1/3/2/7/132740405/pumujej.pdfIn PDF document text
    • http://files.aztecbaja.com/uploads/1/3/0/8/130874015/nipono-faxolizuzokiluw-sulub.pdfIn PDF document text
    • http://tajaf.alinjarralabradors.com.au/uploads/1/3/1/6/131606407/4e00c60d14167.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/1/0434/6229/5714/files/antibiotic_stewardship_program.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5918/2745/files/tuwev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/43181801848.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3486/1991/files/jofakoximoxuvezaxivid.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9654/7230/files/94094251952.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5557/0341/files/bumewizesevedaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7699/3695/files/xabaxu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0012/6885/files/algorithms_interview_questions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4751/7341/files/adorno_jazz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4124/3814/files/alopecia_x_spitz.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_off0000623e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x623E 5496 bytes
SHA-256: dcd86a92943dc7409f4bcc4b49fce0a141ee348358e80b3e67e4ea6f7735218b
font_01_sfnt_off000074fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74FE 10088 bytes
SHA-256: 453b558336a3afc02026b6fd2b5549a7c1769b15f6afe8e3a73741661a1543ae
font_02_sfnt_off0000977d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x977D 4324 bytes
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34

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