Malicious PDF — malware analysis report

Static analysis result for SHA-256 056d1221358fbf9b…

MALICIOUS

PDF

37.5 KB Created: 2020-08-14 06:42:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: baa5845feffe4911ba4d7dee3dab1224 SHA-1: 6931d1f9c4cb7953d610eaf7d73f8301b08d001c SHA-256: 056d1221358fbf9b169fb3de5178f7abfcf6a403f1cf0499e993b4263d158fe7
234 Risk Score

Malware Insights

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

The PDF contains multiple embedded URLs, with a critical heuristic firing for a malicious redirector link. The document body, though heavily obfuscated, contains text and URLs that align with a lure for a password-protected archive, a common tactic to bypass security gateways. The presence of numerous links to external PDFs, many hosted on Shopify, suggests a link farm or SEO manipulation to increase visibility of the malicious redirector.

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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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=flat+music+visualizers+after+effects+template In PDF document text
    • http://files.minedlandrehab.com.au/uploads/1/3/1/6/131637226/539772.pdfIn PDF document text
    • http://files.mykmroundtable.org/uploads/1/3/1/4/131437074/kojuwana-xiwilofuvu-womoda.pdfIn PDF document text
    • http://xezifuxi.nicolenaro.org/uploads/1/3/1/4/131437987/526d99109.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/1/0430/2825/0781/files/88491276695.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3346/7808/files/82409401933.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6388/3429/files/14685863523.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2621/8134/files/advanced_life_support_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1898/5370/files/93914895237.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1627/3563/files/60415964981.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5857/7046/files/90777063948.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3057/6285/files/sonny_s_catering_menu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1058/0903/files/45745009770.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 4

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_off00005500.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5500 5228 bytes
SHA-256: 191385e269ac3f02a8d95dca1a3dfcefa62979a74dd9b6b63423ab63485a9e67
font_01_sfnt_off000066bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66BF 10128 bytes
SHA-256: e2b278bb31e295714967b76dcbd508f797cea900fae3aaec6f63093116656284

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