Malicious PDF — malware analysis report

Static analysis result for SHA-256 64073f01817a6eae…

MALICIOUS

PDF

48.4 KB Created: 2020-07-27 21:20:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: acdf3afe5f55b8582c8b70067248bfa5 SHA-1: b7541409b5d4d13f42a3dc80fb89674d008b104e SHA-256: 64073f01817a6eae487d8ad95b40d0c37eaa7b83d44abfc8b4c183776a781459
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to a redirector URL associated with malicious activity. The document body, though heavily obfuscated, suggests a lure related to a resignation letter format. The presence of a malicious redirector and a large number of outbound links indicates an attempt to drive users to malicious sites, likely for phishing or malware delivery.

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=acceptance+of+resignation+letter+mail+format In PDF document text
    • http://files.rochesterphoenixmartialarts.com/uploads/1/3/1/4/131453354/77ee6.pdfIn PDF document text
    • http://files.hypca.com/uploads/1/3/1/4/131453188/0f05b9500.pdfIn PDF document text
    • http://files.aoseptic.com/uploads/1/3/1/4/131453144/wekuma_tufel.pdfIn PDF document text
    • http://files.emilyshapiroconsulting.com/uploads/1/3/1/4/131454190/beruxewiseboj.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/1/0431/7508/4193/files/10325500985.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5671/7207/files/42103063285.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3208/2594/files/sugenog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7122/5502/files/gekibixidejekod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4607/5542/files/xosopoviku.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/5903401900.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6470/4662/files/fetoferagex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6377/1293/files/jatoburimisaxetisafisan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5621/7750/files/rijojezamogubawevedijola.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7441/2949/files/53520160314.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8991/2218/files/pesoxaduse.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0770/3201/files/74892584582.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 6

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_off0000803d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x803D 5112 bytes
SHA-256: a85800be19386ea2bb468d6a755d6442bbc5038dd482e609168c165a031848f4
font_01_sfnt_off00009175.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9175 10132 bytes
SHA-256: a38e771312b7e039dbfc1a98013fb8fada35005bb2c257c69ad8ef4a2c2e0d11

Open this report in the interactive analyzer, or submit your own file for analysis.