Malicious PDF — malware analysis report

Static analysis result for SHA-256 cedae42064de6608…

MALICIOUS

PDF

45.3 KB Created: 2020-07-30 11:54:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1d9fa9f0e4ab1401cf524b7e808798ac SHA-1: 3351fc17828573258e96096e9ee73a4cc462542c SHA-256: cedae42064de660895dafea4bafc7fc6a348c0cd416856e38eeda96b1124824b
274 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on 'cdn.shopify.com'. The presence of a 'LOLBin run command' heuristic suggests the document may contain instructions for executing scripts or commands, likely to facilitate the redirection. The document body is heavily obfuscated and unreadable, providing no further context.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 7

  • 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.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • 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.
  • LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
    Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
  • 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=oxigenoterapia+veterinaria+pdf In PDF document text
    • http://files.domaci-inc.org/uploads/1/3/0/7/130740504/60e07f6d80b5.pdfIn PDF document text
    • http://files.roxzumba.com/uploads/1/3/1/3/131380337/tumapedan.pdfIn PDF document text
    • http://files.stonewallcurling.com/uploads/1/3/0/9/130969139/tegos.pdfIn PDF document text
    • http://files.aspenergonomicswellnesssolution.com/uploads/1/3/1/3/131384058/abd789ad8141804.pdfIn PDF document text
    • http://files.italiandentalstyle.com/uploads/1/3/1/3/131379506/0bfe1f228b.pdfIn macro / runtime command snippet
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/74832969368.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2378/5370/files/35133455348.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3093/6733/files/70558992189.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/40429789840.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5167/9893/files/48536733816.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5666/8573/files/94892334588.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6388/6495/files/80294606666.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8713/4882/files/viropixujarizibukeguvujub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1865/7697/files/bovage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3708/2271/files/74179980432.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3655/7987/files/vuzufewufideg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5413/5456/files/julanu.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007413.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7413 4944 bytes
SHA-256: 2e2c00deb8295424fda45bcea9019505cc16d3ed9c84f8564752b8eaa35e723b
font_01_sfnt_off000084fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84FD 10244 bytes
SHA-256: 193c7f718724ef35874fd02fa40fa9e42039a07c511f5da9ddb9bc44de4b1296

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