Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5ca41ad09f25056…

MALICIOUS

PDF

41.1 KB Created: 2020-08-01 10:38:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6d2dc76f88d6f081a4d31cf26c0ee578 SHA-1: 80ff226f3482505e80bcfbab9ec2c91fa1d4c81b SHA-256: b5ca41ad09f2505653b72fab9fc2e7f59dc3ea81bdd9a72445c70dc4a7cda4d2
234 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to redirectors and SEO link farms, designed to trick users into downloading potentially malicious content. The 'ClickFix' heuristic indicates social engineering to bypass security measures. The primary lure appears to be related to 'Minecraft mods on Xbox 360', directing users to a redirector URL.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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=minecraft+mod+on+xbox+360 In PDF document text
    • http://files.premiermedicalsupply.co/uploads/1/3/1/6/131636969/a9120b538b.pdfIn PDF document text
    • http://files.rotarypassport.net/uploads/1/3/1/3/131398279/mipewexevikedemusava.pdfIn PDF document text
    • http://files.koonyagarlicfestival.com/uploads/1/3/1/1/131164176/zedafubuxuroso-tosamesuvof.pdfIn PDF document text
    • http://files.haydenpoetry.com/uploads/1/3/1/4/131453636/zibimapimamalufam.pdfIn PDF document text
    • http://files.jillskoglundphotography.com/uploads/1/3/0/7/130775516/8580082.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/1/0430/8857/6673/files/erika_van_thiel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0491/1006/files/tigowo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9896/4117/files/94445134413.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3019/2039/files/70143681561.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8589/7627/files/gifopepu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2246/7750/files/kopuvikerozuti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1212/0998/files/pimofuvezojozo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8697/1029/files/rinuvuligag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9518/6851/files/sudojerelabugisesim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6470/4662/files/vunosagovube.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6635/2025/files/49501719738.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 7

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_off00006159.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6159 5628 bytes
SHA-256: 26afe7cff6f40015f7f3f5d5f5d0f08cc5d0673cd089065c7a984361745ae235
font_01_sfnt_off00007473.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7473 10336 bytes
SHA-256: b1dc03f82135ae7d7c5141cdc3462908f1b170c8310889cd147724407e2777ba

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