Malicious PDF — malware analysis report

Static analysis result for SHA-256 c4e6508fc5a11de6…

MALICIOUS

PDF

40.1 KB Created: 2020-08-07 10:12:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 58cf7424b5e367950126bdfeecb00a47 SHA-1: 81c7084b754bf1eedd41d19a811cc7cf6b6ab882 SHA-256: c4e6508fc5a11de68b978e83e85f22195456d1e460d7d481ed78bb2228d39b7d
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, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains text related to sheet music and the malicious URL, suggesting a lure. The presence of numerous links, including the malicious redirector, indicates an attempt to drive traffic to potentially harmful content, likely for phishing or malware distribution.

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=like+a+bridge+over+troubled+water+sheet+music+pdf In PDF document text
    • http://files.raymondbonterdesigner.ca/uploads/1/3/1/4/131453598/barolefuzufa.pdfIn PDF document text
    • http://files.benedictinemonksoftaos.org/uploads/1/3/1/4/131406269/pipodivusu.pdfIn PDF document text
    • http://files.retreatatprairiewind.com/uploads/1/3/1/3/131379118/lujos-fanarejabu-mudiva-lizogij.pdfIn PDF document text
    • http://letakas.monkeesconcerts.com/uploads/1/3/1/4/131407995/fixifezu.pdfIn PDF document text
    • http://bubepimid.gladwinharrisoncatholic.com/uploads/1/3/0/7/130740141/2372698.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/1/0437/7765/4942/files/85609017488.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4419/9848/files/minecraft_1._7._10_texture_packs.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5852/7394/files/sirivagev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9244/3303/files/39650282585.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7539/3944/files/jozolirafa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5689/7947/files/53862656802.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2309/8279/files/plantera_bulb_farm.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0224/7838/files/puvibilifolamogibuxagu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2658/7549/files/22800754246.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9649/6544/files/94316493511.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0120/0288/files/gorasewaparopagebe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0113/4747/files/36189669978.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0066/8065/files/mezevagopidanarabowiraso.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004f7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F7B 5864 bytes
SHA-256: d22d29da5150c45326810f50f9bb0f3b754d11b93842c351190e17518581ba0b
font_01_sfnt_off00006364.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6364 14432 bytes
SHA-256: 9e6faa2485b1d81e6155959907392839ada9f52bd2115a16a1be6a34f140ca10