Malicious PDF — malware analysis report

Static analysis result for SHA-256 01fceb42550d2a97…

MALICIOUS

PDF

57.0 KB Created: 2020-08-22 20:11:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4daa1a5ffdb69a045b492bfa66d3afc5 SHA-1: 4cd88fe2a42fb1685c1c046d4c5c371244d032fd SHA-256: 01fceb42550d2a979edbe7762c3b9a6431b9f87ab4b9d478b9ea60b41322c25f
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.com) designed to obscure the final destination. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. The presence of numerous external PDF links suggests a link farm or SEO poisoning tactic to attract victims. The ML classifier strongly indicates malicious intent.

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=agriculture+business+management+information In PDF document text
    • http://files.newtongeorgiadems.org/uploads/1/3/1/4/131437599/f0c563cb93.pdfIn PDF document text
    • http://files.katherineinezmesa.com/uploads/1/3/1/8/131856076/kimimil.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/1/0435/7442/7806/files/vulew.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5923/3443/files/57241405373.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/27949483617.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/titigabibuzumazavuxi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0473/1300/files/labapux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0458/6579/5737/files/sincerity_is_scary_trumpet_sheet_music.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1760/0152/files/jubifek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5388/2280/files/26268526623.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3518/1734/files/winzip_21._5_activation_code_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4729/6922/files/national_ambient_air_quality_standards.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_off0000a136.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA136 5328 bytes
SHA-256: 1fe68aee01f04a0d497d1393dd5d29f9b468312626adaaeee45d02aeb7dee5a4
font_01_sfnt_off0000b33b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB33B 10436 bytes
SHA-256: cef0178bc6cc9aa38bb17a1daacce88871ca81d20e43fefbd303079cbd01cbfa

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