Malicious PDF — malware analysis report

Static analysis result for SHA-256 6bd394224e8c976f…

MALICIOUS

PDF

47.1 KB Created: 2020-08-17 06:32:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7dba58ed49fce32b29bebd3b00e6773f SHA-1: b84a08f4b99763c85436941b72dce889aae52fd8 SHA-256: 6bd394224e8c976f6cc9fe33515d1d1a2a1dbe53f063fa7e077889a9b7c25574
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains a URL that appears to be a lure for 'Check Point endpoint security vpn free'. The presence of a malicious redirector and a large number of external links suggests an attempt to drive traffic to potentially harmful sites, likely for phishing or malware distribution.

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=check+point+endpoint+security+vpn+free In PDF document text
    • http://files.lapeercountycpl.com/uploads/1/3/1/4/131453753/jogijenifogojufa.pdfIn PDF document text
    • http://zukexowof.olivetreemessianic.org/uploads/1/3/2/6/132681443/tinamakukam.pdfIn PDF document text
    • http://files.amdpr.com/uploads/1/3/0/8/130874300/c5a1d8149.pdfIn PDF document text
    • http://files.salightgroup.com/uploads/1/3/1/4/131437276/ragatej_xuwun_vigededifut.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/1/0433/0687/7080/files/31178329868.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2913/4487/files/gitudebenedem.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5689/7947/files/complexity_of_all_searching_and_sorting_algorithms.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2132/6742/files/lunumaxakuxep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0911/2226/files/gofapabeliwutipojarepa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8553/6161/files/75265798299.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3090/2946/files/camel_production_and_management.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6823/5682/files/zebimalikuwugasomisames.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8348/9687/files/24328840279.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8679/9257/files/bike_race_app_old_version.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6666/1791/files/fajugojuluv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0760/5918/files/45168203031.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_off00007a98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A98 5132 bytes
SHA-256: 8921c0c7ec2c6f1d6a062cd1d522e4c10f5ff5acf0b422efbe56e7470daac597
font_01_sfnt_off00008c12.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C12 10248 bytes
SHA-256: 89016a8f3246f3972012f2a927bd576096fbb0cca6db29d930a9833c1b95a06d

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