Malicious PDF — malware analysis report

Static analysis result for SHA-256 007aa68dedb89079…

MALICIOUS

PDF

43.7 KB Created: 2020-09-17 05:30:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ac612f6c01c387574253a46f9cbe1239 SHA-1: 99b7632a610872c2935049649890a74fb97a3e97 SHA-256: 007aa68dedb8907997698b4ce03e8d54212f18f5b2d91f3d4a098c425e8fd1cd
184 Risk Score

Malware Insights

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

The PDF contains a large number of links to external PDFs hosted on numerous disposable domains, indicating a link farm likely used for SEO manipulation or to distribute further malicious content. One URL, 'https://ttraff.club/wix?keyword=infinity+carrier+thermostat+manual+installation', is flagged as a known malicious redirector. The ML classifier strongly indicated maliciousness, supporting the heuristic findings.

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=infinity+carrier+thermostat+manual+installation In PDF document text
    • http://files.forgingdreams.com.au/uploads/1/3/0/7/130740625/fapelunowujix.pdfIn PDF document text
    • http://dijoz.thequadstudio.com/uploads/1/3/1/6/131606490/9a22287cd8.pdfIn PDF document text
    • http://files.annegreenephotography.com/uploads/1/3/1/3/131384429/2928189.pdfIn PDF document text
    • http://files.neacsathletics.com/uploads/1/3/0/8/130874205/sotebowedisewe.pdfIn PDF document text
    • http://files.transformational-school-of-essenian-arts-of-healing.com/uploads/1/3/0/7/130739916/tikopunibobijitopi.pdfIn PDF document text
    • http://bibedi.mindbodywell.net/uploads/1/3/2/3/132303382/vejupunapuj-tuzat-viwapusivam.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://4c1b8f6f-d897-428a-ad30-4823a03561d4.filesusr.com/ugd/9c8fb9_cad6a33ef8c6403d9fe4a005754b468c.pdf?index=trueIn PDF document text
    • https://9ed43c42-9576-450b-98f4-ba327e981e9e.filesusr.com/ugd/158fb9_891f708bb6634cff8e4b7ca4a759edb0.pdf?index=trueIn PDF document text
    • https://4b15d451-3b84-4040-ae4e-4253431af1d8.filesusr.com/ugd/e32576_949530aa86d14a2f879aeb97fc770d6d.pdf?index=trueIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5895/3369/files/types_of_adverbs_worksheet_for_grade_9.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1778/0896/files/gejepate.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xirapekewovefosisukepeja.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_off00006dea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6DEA 5160 bytes
SHA-256: cb7407fcb977dd7969ede4bed21953d76d1db4bd5ddb04ea99767cba23b2ca70
font_01_sfnt_off00007f5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F5C 10128 bytes
SHA-256: c145438ed34035ede51a306e06bfed09dcbb892b9177b953c77b3aa892999e17

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