Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2e1d79270311b1e…

MALICIOUS

PDF

63.5 KB Created: 2020-09-12 04:43:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9189513b613ce9a09ed8c651018e2d8f SHA-1: ae42342f4dfa5c01f0170202e274b48c590baab5 SHA-256: f2e1d79270311b1e6e98011cfdd88b6b95b608df6c3ce5145d1b837ed80ce2fb
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to potentially malicious redirectors or link farms. The document body, though heavily obfuscated, contains text suggesting a lure related to a "Belgrade metro map pdf" and includes the malicious redirector URL. This indicates a social engineering attack designed to drive traffic to malicious infrastructure.

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.me/pify?keyword=belgrade+metro+map+pdf In PDF document text
    • http://ritugisud.whiteimprints.com/uploads/1/3/1/4/131438572/9071640.pdfIn PDF document text
    • http://marivi.yanaemelyanova.com/uploads/1/3/1/4/131437145/231203.pdfIn PDF document text
    • http://lupopi.upholsteringmelbourne.com.au/uploads/1/3/1/0/131070571/1889904.pdfIn PDF document text
    • http://files.lucywoodbaird.com/uploads/1/3/1/3/131397996/dikeparixakur_somubuxetemozas_didozovaje_jobaxajanoto.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/1/0428/4973/0727/files/gisaluxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/4291/2926/files/4711737033.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0966/2366/files/movakujunejudikurelamurog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0472/3313/8853/files/differentiation_rules_worksheet_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6109/1221/files/25308399090.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3173/2125/files/sixeni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1037/5325/files/44219490873.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 3

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_off0000ba59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBA59 5232 bytes
SHA-256: 8674b6b989cb17b6a416fc250120323f53e8cecd0b6edbca76af6ebd4a2bdbae
font_01_sfnt_off0000cc15.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC15 11324 bytes
SHA-256: eccd63f5671dcd03cc609fff6443f268c501977cedf78ef1918c800101121d01

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