Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed806e35ed841461…

MALICIOUS

PDF

69.3 KB Created: 2020-08-12 14:19:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3eea51d3f9c6486c1146ad57d103b306 SHA-1: d08d46800d2f4397947a5685c7ea3253e8e94808 SHA-256: ed806e35ed841461a95c156c05fdad788d337fff604a2c92883309940384be18
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF was flagged for containing a malicious redirector link and a large number of external links, indicating a link farm. The primary malicious URL identified is ttraff.com, which is used in conjunction with a keyword that suggests a lure. The document body is heavily obfuscated and contains remnants of the URL, confirming its presence within the file's content.

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=caranx+ignobilis+pdf In PDF document text
    • http://files.tannerpittmanlaw.com/uploads/1/3/1/3/131397946/d2aaf8a078cc.pdfIn PDF document text
    • http://files.engineerabull.com/uploads/1/3/1/8/131856556/vejilupajukukiw-xijeke.pdfIn PDF document text
    • http://files.pearladamswgi.com/uploads/1/3/0/7/130739212/tiporisisamunefas.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/1/0432/8429/9936/files/guwuzakebavuw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7079/8489/files/buyer_s_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6633/6167/files/93612786864.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4416/6037/files/nios_admission_form_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8891/1267/files/65219625451.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3459/8809/files/40549028985.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6529/5526/files/warusomodafofikelalezotem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0252/7895/files/56132561535.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9456/4252/files/stronghold_builder_s_guidebook_3._5.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8095/8617/files/what_is_topology_in_computer_network.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3192/8740/files/21797496172.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9007/4005/files/apocalypse_world_fr.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d1b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD1B2 5320 bytes
SHA-256: 18d53dabd65bec4a5b740015051a89843ab5d7193f74778af7d9da2c7cc88981
font_01_sfnt_off0000e3d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3D5 10732 bytes
SHA-256: cc5cd474a2e6ba112ae78763b59b7e3f40b05e726f1fbe7596ba3b9793dd7570