Malicious PDF — malware analysis report

Static analysis result for SHA-256 60faf4300490ef61…

MALICIOUS

PDF

40.2 KB Created: 2020-08-15 07:30:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4a8f099a82cf21ecbef779e3e66c7384 SHA-1: 31d518906fafd8fdb1614fd997a49145006fcccd SHA-256: 60faf4300490ef612cd53280291d0b8e7463262947e23f339bdae9a2b5ca496c
162 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, likely as part of an SEO link farm. One critical heuristic identified a link to a known malicious redirector, 'https://ttraff.cc/pify?keyword=tween+machine++maya', suggesting the document's primary purpose is to redirect users to malicious infrastructure. The ML classifier also strongly indicated maliciousness.

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.
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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=tween+machine++maya In PDF document text
    • http://tidifi.stearnsturns.com/uploads/1/3/2/6/132696483/9006944.pdfIn PDF document text
    • http://pevexuvu.buildaseries.net/uploads/1/3/1/3/131379591/62a7a60c2.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/1/0429/8424/3363/files/3_decimal_place.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/21659337375.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9956/2911/files/tewarofenoboverudometi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6974/2999/files/oxford_discover_grammar_4.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/3265/5525/files/vegotelufa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7054/6329/files/subnet_mask_cheat_sheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2287/6826/files/57766310028.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5274/4349/files/theory_of_biogenesis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5019/5354/files/adagio_baermann_clarinet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2829/7381/files/noxumi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7179/8424/files/addition_and_subtraction_of_fractions_worksheets_grade_6.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 2

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_off00006043.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6043 4876 bytes
SHA-256: 386feee53f11a0a43a828566b46f1452e9777268df9c633ee7320f277c2dfecf
font_01_sfnt_off000070c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x70C6 10376 bytes
SHA-256: 89972ead55da475930d3b0feee922a66f94d3220808e446bdfd16aed228c844d

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