Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec5a1f0248a5d35f…

MALICIOUS

PDF

41.0 KB Created: 2020-08-25 15:04:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1e0de8fd1bdab8e6615dd7ea2b03b207 SHA-1: 3ced60084b5415cd358211daa3932d267effe638 SHA-256: ec5a1f0248a5d35f90a9c17e83e40e69a2f9c3ea873572756414cdd5a46a92d9
234 Risk Score

Malware Insights

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

The PDF contains a link farm and a critical heuristic firing for a malicious redirector. The embedded URL 'https://ttraff.cc/pify?keyword=howland+ohio+police+reports' is designed to lure users into clicking by impersonating a police report. This link redirects to further malicious infrastructure, likely for a phishing or malware distribution campaign. The ML classifier also strongly indicated maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
    Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://ttraff.cc/pify?keyword=howland+ohio+police+reports.
  • 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.cc/pify?keyword=howland+ohio+police+reports In PDF document text
    • http://files.jointheteam.saintleoresidencelife.com/uploads/1/3/1/8/131856602/10cd0085c6.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/1/0432/9160/7190/files/dotukujafekelema.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/1459/7271/files/bunting_template.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1065/3338/files/11047839644.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1651/8805/files/high_performance_glider_asw-_27b_buy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9334/3912/files/neoliberalismo_en_america_latina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/0294/2872/files/82137386.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3671/0824/files/alstom_logo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0452/3737/1037/files/panasonic_aw_rp120g.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0447/1242/7674/files/google_classroom_for_parents.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6838/3641/files/689566858.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5009/8085/files/gufodaneg.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 5

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_off00006243.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6243 5212 bytes
SHA-256: 3a21d9e6f39efc2dd5071a7ced7c85220f07644b507b9ad21a12ca66d4776977
font_01_sfnt_off000073fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x73FD 10308 bytes
SHA-256: ac36290d35ebcc6ec0d91ee68499bf3e8656161883b06d13c860f20051dec94b

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