Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d0360ea5d0766d8…

MALICIOUS

PDF

51.2 KB Created: 2020-08-23 21:04:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9db93fe470451c9bf4cf66b665530a7d SHA-1: cab83ad6d706a15d7a54f5878664acd3d884ee26 SHA-256: 9d0360ea5d0766d86bda4b55429db8e5f8488e011b06c5320fe7146ed2de4ba3
162 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a prominent link to a redirector URL, which is a common tactic for delivering malware or phishing pages. The document body, though heavily obfuscated, contains text referencing "Free blackmart latest version" and the malicious redirector URL, suggesting a lure for potentially unwanted software or a phishing attempt. The PDF also hosts a large number of external links, many pointing to Shopify domains, which is characteristic of SEO poisoning or link farm techniques to improve search engine ranking for malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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.
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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=free++blackmart+latest+version In PDF document text
    • http://files.wigginsphotographymn.com/uploads/1/3/0/8/130815009/kosawizisojali.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/1/0437/3292/6615/files/smart-_lab._ru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6213/2897/files/91977518020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5210/3842/files/61843570108.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8592/9375/files/bagefugoloserorotod.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8059/7152/files/redozut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3529/5905/files/it_asset_inventory_template_xls.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0079/1191/files/56323165649.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006589.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6589 5164 bytes
SHA-256: 45730ad100bc9858092ad117196741d87b2ce32bae47cfb0e75dfd4e0751253c
font_01_sfnt_off00007704.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7704 1800 bytes
SHA-256: 51ebeec29509b87aa858d500e37ac8853184703d07d1f913ce36d8e1dc7764c0
font_02_sfnt_off00007f91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F91 9964 bytes
SHA-256: 30ea723b4977634143975e312ed8ca20f15543d04fef1615f5d246a074aa3dae
font_03_sfnt_off0000a1e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA1E5 16368 bytes
SHA-256: 2c5f51a476b4274b6b900fbba81fc97c04b4f1697b1aac53cf696a9c53e0885f
font_04_sfnt_off0000b79f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB79F 1736 bytes
SHA-256: 1648accd5638f26481c437d0e436fdfb03edab78dab75f4e73239278c8cddc19

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