Malicious PDF — malware analysis report

Static analysis result for SHA-256 5ee68a64eaa4d9ef…

MALICIOUS

PDF

75.1 KB Created: 2020-09-18 15:39:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b437ff33bf2bfaea1c3b934e1b256570 SHA-1: 76875b4b31bab28764f10bc1ecd9e9410ed0f3c2 SHA-256: 5ee68a64eaa4d9ef3e52ccd8109437fed9db9a9d6168f00aaaf0b6a069cb52c6
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF was flagged by multiple heuristics as a malicious redirector and a link farm, indicating a likely attempt to manipulate search engine results or direct users to potentially harmful sites. The presence of a link to 'ttraff.club' further supports the malicious redirector finding. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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.club/wix?keyword=mamiya+rz67+ii+manual In PDF document text
    • http://poveli.classicalvintagerestorations.com/uploads/1/3/0/9/130969656/c770b.pdfIn PDF document text
    • http://suregozo.altarpreneur.com/uploads/1/3/2/7/132710657/xekovut.pdfIn PDF document text
    • http://files.cassandraarthur.com/uploads/1/3/2/7/132710624/3819004.pdfIn PDF document text
    • http://nizelaxem.garden-artworks.com/uploads/1/3/0/8/130874368/92b233b296e519.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://43f94d00-82d9-4176-abfe-92fcd9bd931c.filesusr.com/ugd/05e3ad_dadcfa6f0cfc4251af1114ef01d55f63.pdf?index=trueIn PDF document text
    • https://de0ecee4-dd29-4146-8b8e-8d7e54b186e2.filesusr.com/ugd/a6e5e9_ed3368a56624426a9a448623b932ab3a.pdf?index=trueIn PDF document text
    • https://4d66fe85-8e5a-4c0f-9dde-b1bea476c869.filesusr.com/ugd/97aff7_3b1f97fc52be46e795f9451383986d44.pdf?index=trueIn PDF document text
    • https://0b9a0162-b984-452d-9d41-a400899af41f.filesusr.com/ugd/c722c2_c17acbb134524111bb089d10932ef209.pdf?index=trueIn PDF document text
    • https://7b85a6d9-4ffb-4635-b91e-42a48e2a0f8b.filesusr.com/ugd/45fd81_3decbad2062a4528b1755cd1c07f6782.pdf?index=trueIn PDF document text
    • https://466e0940-4c4e-4631-844e-f5b940361ad0.filesusr.com/ugd/23a6c3_3d3bca3ede0643e9baf4a39b693983ea.pdf?index=trueIn PDF document text
    • https://5794c76f-5b54-43c4-b023-b40918442f36.filesusr.com/ugd/436160_e6f9c6021309424c91f97b65067b6326.pdf?index=trueIn PDF document text
    • https://9533fe74-0966-4be1-8f69-428722eeb313.filesusr.com/ugd/5e5b2a_fdb9f95334e94a3e828b78aa17c61604.pdf?index=trueIn PDF document text
    • https://96a21613-0321-4306-857d-d00c17fd15ef.filesusr.com/ugd/65d6f7_d238bb1666c549d481bda476392638ca.pdf?index=trueIn PDF document text
    • https://78a0e36c-f002-42e7-853c-398456b373a9.filesusr.com/ugd/162fe6_ab4be519552f487b95cc754cb8a02146.pdf?index=trueIn PDF document text
    • https://54b6e866-33b5-4fff-b700-68334175a47d.filesusr.com/ugd/9904c2_1890c9d1d483431e9940b1aa858b6637.pdf?index=trueIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e134.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE134 5044 bytes
SHA-256: 9538e449e0cdd4ec138edff7b4791129c1203611690e6d0185ed2a0f5d510fed
font_01_sfnt_off0000f260.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF260 1800 bytes
SHA-256: daad3f347a4f42f432ee9983e619a7c063e36761dba5934b469418034847e28e
font_02_sfnt_off0000faee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAEE 10536 bytes
SHA-256: 1d453d12a46476dfb2d88dc0c2ce70e6bd98bd9ee86ed8706ee2256622fd7532