Malicious PDF — malware analysis report

Static analysis result for SHA-256 ad24a84f049b7479…

MALICIOUS

PDF

70.2 KB Created: 2020-08-02 14:44:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0078fcf2e0e1ded9a43ed4e6b38646e5 SHA-1: 721e1ff38fd46561e7b381da73040b9fac162fea SHA-256: ad24a84f049b747999bfb5a5573d4669c4b6172c553b400ee80af7ce7e511c26
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating it points to known malicious infrastructure. Additionally, PDF_SEO_LINK_FARM suggests a large number of external links, likely for SEO manipulation or to host further malicious content. The document body, though heavily obfuscated, contains text related to a "300 blackout reloading manual" and the malicious URL, suggesting a lure to a phishing or malware distribution site.

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=300+blackout+reloading+manual In PDF document text
    • http://files.suncoastsoul.com/uploads/1/3/1/3/131379612/baretanemomimu.pdfIn PDF document text
    • http://files.alliedrenew.com/uploads/1/3/0/8/130814169/944229b2.pdfIn PDF document text
    • http://files.worldwar2under16s.com/uploads/1/3/0/7/130776500/nidusatejodizigoletu.pdfIn PDF document text
    • http://files.marneapolo.com/uploads/1/3/1/1/131163643/pobubevubaje-zaduj-fotufik-nanokijifol.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5511/9513/files/48793615630.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4721/3464/files/seketuvovodumefikasodajos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6100/9829/files/76478089137.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5369/5644/files/bafuragufowudasaxixuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6897/1418/files/blockchain_tutorial_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0601/7186/files/sovivoginijawipesatika.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0565/4678/files/74602494956.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4430/7098/files/nutapovemujifavalofolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/86187089948.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1061/2635/files/45864157473.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c5c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC5C7 5376 bytes
SHA-256: 66cb3f6622fd7d39a5d192768e912f6a461a86f25fde3f4b8c703a0f61d6060b
font_01_sfnt_off0000d7e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7E5 11092 bytes
SHA-256: 70932be05ce7a90e9b26800156bf2e589c0b5cc5c6f2706e1195a137a063aff0
font_02_sfnt_off0000fdae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDAE 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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