Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f1c48b501914294…

MALICIOUS

PDF

44.9 KB Created: 2020-08-20 04:52:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: e06e39de4edc0db31d7e0ee3a4365f41 SHA-1: cfa312fa6079625baaa3e462a9dcdd9902d150e0 SHA-256: 6f1c48b501914294d21cee82ea435f996b387d032a717bd809bd590648d5d480
194 Risk Score

Malware Insights

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

The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains a URL that appears to be a lure for a 'tuberculosis chest x-ray report'. The presence of numerous external links, many pointing to Shopify domains, suggests an attempt to create a link farm for SEO manipulation, likely to obscure the malicious redirector.

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=tuberculosis+chest+x+ray+report In PDF document text
    • http://gasiwop.zhengfilm.com/uploads/1/3/0/7/130739616/f67424242c213.pdfIn PDF document text
    • http://morug.andrewsimspiano.com/uploads/1/3/0/7/130775565/2597e.pdfIn PDF document text
    • http://files.wildlifehabitatecologylab.com/uploads/1/3/2/6/132681145/a907a.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/1/0432/8488/9758/files/learn_english_filetype.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3705/5393/files/8690179619.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0382/2755/files/rousseau_social_contract_summary.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2601/4630/files/adverbs_of_frequency_questions_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5079/3110/files/sobobavo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6482/6783/files/busitovudujinuxolejonato.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4232/4125/files/nginx_log_format.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6423/7992/files/kojigo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5114/7679/files/fuweradokafinomo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0536/1821/files/sikasalixuruxora.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0459/8602/1543/files/dubekere.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_off0000727c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x727C 5280 bytes
SHA-256: 840b6a468cc58956b7985c244f0e4cf6abb40268e7290a0db2a16b5717b83fc4
font_01_sfnt_off00008471.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8471 10068 bytes
SHA-256: a6685d0a2a5edb3d5e9a0bfee1820ceec40daa19fcc7e7333d9ad7b1a989620e

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