Malicious PDF — malware analysis report

Static analysis result for SHA-256 09efee911380e629…

MALICIOUS

PDF

41.6 KB Created: 2020-08-12 06:57:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 777efdfe94a5b2556b2b7358120e11e1 SHA-1: 0bc0fd8c15ba27ca2819ce5b933c9608d9ef1f1f SHA-256: 09efee911380e629febfcc4a7ed6d10ecca84c9660015b5f49573b11995f5d9b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous embedded links, many pointing to redirectors like 'ttraff.com', which is flagged as malicious. The document body, though heavily obfuscated, includes the same redirector URL, suggesting an attempt to trick users into downloading further content. The presence of a large number of external PDF links, many hosted on Shopify, indicates a link farm designed to attract traffic, likely for malicious purposes.

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.com/pify?keyword=sectional+aeronautical+chart+legend+pdf In PDF document text
    • http://files.lrcommunitydevelopers.org/uploads/1/3/0/7/130740090/kipozuwepokatevazab.pdfIn PDF document text
    • http://files.myfreedomfellowship.com/uploads/1/3/2/6/132681264/2111424.pdfIn PDF document text
    • http://files.kraftart.com/uploads/1/3/1/4/131405977/4865789.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/1/0438/2890/4093/files/najagegosafudo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0119/0299/files/buckling_of_columns_theory.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6437/8022/files/msi_afterburner_remote_server.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0859/6900/files/91845283981.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8271/8107/files/pivukegogizaregiluguj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8868/3932/files/buns_recipes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1995/9463/files/basurosem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0938/4345/files/65308033076.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7162/7673/files/sivasijojerul.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2785/6536/files/49162816829.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8419/3697/files/expanding_tactics_for_listening_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4864/0418/files/75257639448.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_off000065f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65F6 5340 bytes
SHA-256: ac13b061a9d78fb266534b80fe8eb2a758196f5a8a8b9addfca86eaa59aab1fc
font_01_sfnt_off00007811.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7811 9728 bytes
SHA-256: 47dad883a9e62fa7dbe2516ad1749ab5489d682de5d23f48e91cbf39b7353036

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