Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbe16721e6a0e3dc…

MALICIOUS

PDF

40.9 KB Created: 2020-08-26 12:42:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7fb8c3dc7626a1770345d9f24dbcbedd SHA-1: 42665736c016a88f664a77d8642d4d1b30f83ce1 SHA-256: fbe16721e6a0e3dcc0af1c56a2a614f3d9ea4c3c98e62f4899c810614fbeced6
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=intel+82567lm+3+driver'. The document body, though heavily obfuscated, contains references to 'Intel 82567lm 3 driver' and numerous URLs, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic to attract users searching for specific drivers. The primary malicious URL is likely used to redirect users to a second-stage malicious site.

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=intel+82567lm+3+driver In PDF document text
    • http://files.trevorpollard.com/uploads/1/3/1/3/131398423/9616329.pdfIn PDF document text
    • http://lazurima.dnp.be/uploads/1/3/1/6/131636665/f7acb2186995.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/1/0431/3353/4357/files/gadenemapofoxefogonatim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0980/8280/files/11564760972.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7147/0742/files/46449777848.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3157/6231/files/autodwg_dwg_to_converter_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0733/6857/files/adobe_flash_player_10_activex.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1241/5897/files/acute_traumatic_spinal_cord_injury_guidelines.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4149/6986/files/54916914037.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2174/5822/files/street_fighter_4_full_version_apk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9105/0137/files/angielski_w_tumaczeniach_1.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0292/1111/files/36045362865.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1197/9939/files/watirivalodisesuwejuxa.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 2

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_off000061eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61EB 5428 bytes
SHA-256: 4f10637de24017f880d63a791c781b3e79b646f771b71cfa85bedddab1409fa9
font_01_sfnt_off0000745f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x745F 10196 bytes
SHA-256: 3e8f9aaf11ae4c8db7d77c7b4168d961ba3a2b5365137e5e2457bb2e0d783fcf

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