Malicious PDF — malware analysis report

Static analysis result for SHA-256 d064f88bdaee87f3…

MALICIOUS

PDF

39.9 KB Created: 2020-09-17 11:39:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8315126911e57eb7af3f67c702c9a222 SHA-1: a6f1e94fe450947beaf6d5a3ce5adc4c23775ef6 SHA-256: d064f88bdaee87f39feb7133f6a4647692f405d62aa7c9ee49170968078e48ce
184 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure, specifically 'https://ttraff.me/wix?keyword=ionic+compounds+polyatomic+ions+answer+key'. The document body, though heavily obfuscated, also contains this URL, suggesting the primary purpose is to trick the user into visiting this malicious site. The presence of numerous other PDF links suggests a link farm or SEO poisoning tactic to increase visibility.

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.me/wix?keyword=ionic+compounds+polyatomic+ions+answer+key In PDF document text
    • http://files.bettysmakingmusic.com/uploads/1/3/1/4/131453527/bemeri-rizifojokojo-buzufugalaxep-rejiru.pdfIn PDF document text
    • http://posera.mintzathletics.com/uploads/1/3/1/1/131164250/fulavewubowemul.pdfIn PDF document text
    • http://pagogiwag.zionweekdayministries.com/uploads/1/3/0/7/130738870/novifaxeten.pdfIn PDF document text
    • http://files.run4hope5k.com/uploads/1/3/2/7/132740260/1059141.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://df32483e-6a02-4c06-9596-a78c832c04b4.filesusr.com/ugd/6924eb_5ca1b9dc012e40c9badc3d1cfa9b3652.pdf?index=trueIn PDF document text
    • https://d9cdd732-778e-427f-9cfb-46758ec99a64.filesusr.com/ugd/610d21_4f46ec9454144a0d9e81e5108e9efef9.pdf?index=trueIn PDF document text
    • https://44dae78d-761a-4bab-8f24-909667fba4c3.filesusr.com/ugd/50988c_ae171a5b232f4d2dabce6019f82a5e8e.pdf?index=trueIn PDF document text
    • https://2769c9a5-1917-42e7-a111-d2b360526812.filesusr.com/ugd/33ab24_f3b2cab6ebaf4fc1a3743a4d9a6fda1c.pdf?index=trueIn PDF document text
    • https://86dd128f-f6ab-47ed-aa09-7d774f44843c.filesusr.com/ugd/04c368_833514714b404bbb9814540376f77d13.pdf?index=trueIn PDF document text
    • https://60a5a54b-7e46-451e-99fc-13bff7cdd5e9.filesusr.com/ugd/cbe7f7_d5b6d1fed6294e33909d10e2932c475f.pdf?index=trueIn PDF document text
    • https://9b89b04e-ba0a-470e-b9f9-a17f6395afb0.filesusr.com/ugd/96a426_9539b0d2ef1c4875a1f3b29aa95a67e0.pdf?index=trueIn PDF document text
    • https://43f74327-0658-4bc5-beb3-572002883246.filesusr.com/ugd/79cb75_8d927914cbf349c79d04c4adc6ccb0f1.pdf?index=trueIn PDF document text
    • https://3b3594f7-ead0-4a5e-a5b9-4dbef6aeb51a.filesusr.com/ugd/cec570_7048b2d297814eefa664169e5f4e385b.pdf?index=trueIn PDF document text
    • https://ad058ab1-edaf-47b7-8781-b98e9c575b0f.filesusr.com/ugd/b81754_2e665988b0814746accd35c08ee794ee.pdf?index=trueIn PDF document text
    • https://09c68665-aea1-48b7-b053-415ce804c13c.filesusr.com/ugd/9ff9b8_74492b44cfd049c5b1beea831b143a04.pdf?index=trueIn PDF document text
    • https://338bbcb5-1588-4ef2-a771-f6559bfefc05.filesusr.com/ugd/73c254_3d8426f1ee5249cfb61125fa60e17495.pdf?index=trueIn PDF document text
    • https://54a5758a-7b12-4af3-9276-eb918051f2c7.filesusr.com/ugd/66f3f9_5563e29519fe4f1aabf0d4922f09d809.pdf?index=trueIn PDF document text
    • https://f4b8003f-a3d7-43a0-993c-5cd90949a114.filesusr.com/ugd/92ee2b_ddbb475a4cca43ba9d8ac256affe295a.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

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_off00005c89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C89 5412 bytes
SHA-256: e535c15a1317cf086252ba44902b8880719d4d10f13a78b0e6172b41b192ba15
font_01_sfnt_off00006ef7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6EF7 10368 bytes
SHA-256: 4e858d8e02bc4c66de1c8d513f28df23c98c652341ccf42417c47fb3972d6772

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