Malicious PDF — malware analysis report

Static analysis result for SHA-256 124835820018cf58…

MALICIOUS

PDF

47.0 KB Created: 2020-07-30 07:19:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5ca44303d691d73fb497f48ff600679b SHA-1: e6983ae8d61faffa1cc0889ead5be9168806ce3d SHA-256: 124835820018cf58195e5fda14e5467f7389ec78380dd4e3ecf1657dd48f46ab
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF document contains numerous links disguised as a resource for 'acute low back pain exercises'. These links predominantly point to a redirector service (ttraff.cc) which is flagged as malicious. The document's structure and the presence of many external links suggest a link farm or phishing attempt, likely to distribute further malicious content or lead users to scam pages. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.

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.cc/pify?keyword=acute+low+back+pain+exercises+pdf In PDF document text
    • http://files.taneatismikrospilias24.com/uploads/1/3/1/3/131381802/tesesemobud.pdfIn PDF document text
    • http://files.greaterlafayetteclayguild.org/uploads/1/3/0/8/130814967/pamukur.pdfIn PDF document text
    • http://files.lindentreeherbals.com/uploads/1/3/0/7/130775221/jazexuvuwigo.pdfIn PDF document text
    • http://files.puppetcinema.com/uploads/1/3/1/3/131380651/kiluka_besizawofozot.pdfIn PDF document text
    • http://files.fionamatisse.com/uploads/1/3/0/8/130813546/fbd7e283d49.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/1/0435/4818/0634/files/jekexogidunudax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2998/7489/files/72724775086.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0000/3747/files/xaxakopubisokinatuxim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6370/4729/files/26710271047.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8611/9079/files/44628996602.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6498/3703/files/46277776945.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0842/6147/files/20423301428.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3352/5400/files/46387602070.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8577/4491/files/movifadakubitegemupi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4757/4949/files/fezopiwugeduwivive.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 8

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_off00007877.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7877 5384 bytes
SHA-256: 6a4d0faf39bc7e1c5f47fa576bc991729823cc0def54729aa9bd4fb33f0b8850
font_01_sfnt_off00008ada.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8ADA 10688 bytes
SHA-256: 58f40fa0b3163f91e59fa8abc481a73d3c0d638334064b8518d490abae21ac9d

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