Malicious PDF — malware analysis report

Static analysis result for SHA-256 7202f3eec22bb9b7…

MALICIOUS

PDF

64.9 KB Created: 2020-07-30 08:06:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7880cb9e1603ccedf6c5c5eb0156e03c SHA-1: 19df0b70d1fb388ab782e9681081039434f01959 SHA-256: 7202f3eec22bb9b75dd25192b2ae94f282566f0409e9938c7282755f63a1e92b
202 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating malicious redirector links and a link farm, suggesting a phishing or malware distribution attempt. The presence of a 'download button' lure further supports this. Although no scripts were extracted, the embedded URLs point to known malicious infrastructure and benign-looking files hosted on Shopify, likely used to obscure the true malicious destination. The ML classifier strongly flagged this PDF as malicious.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=bcs+mp3+book+pdf+download In PDF document text
    • http://files.mgloryfarm.com/uploads/1/3/2/6/132681579/moxapegafijuta.pdfIn PDF document text
    • http://files.redsquirrelconservation.ca/uploads/1/3/1/3/131381540/ruwajifi.pdfIn PDF document text
    • http://files.utspta.org/uploads/1/3/1/6/131636852/togubixi.pdfIn PDF document text
    • http://files.whatsnextreport.com/uploads/1/3/0/7/130739693/1396461.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/1/0431/9730/0899/files/xolijowekuxuj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5018/0503/files/78978720726.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4542/0188/files/xasezipedigase.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3405/7621/files/30659473885.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2825/0781/files/lutojavikas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9072/2454/files/35576243072.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8360/3873/files/jifana.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4395/4594/files/12627223879.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2530/9604/files/89213374438.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9308/2783/files/lawolafetunudu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/94662163826.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2854/4668/files/12427442135.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7974/6201/files/feputug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4517/4939/files/dulepojemopevixogu.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://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Related samples 7

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

Full JSON: related samples API

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007da6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DA6 5256 bytes
SHA-256: 6fd74c89d7b8a8acb8ff4b787ee6ddf01aaeff86c16719fc3d9402940c27e55f
font_01_sfnt_off00008f6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8F6D 14236 bytes
SHA-256: e508b4a536bf3602e1a9f07348f6cf65542108075e7ca400453da8fd016e82b9
font_02_sfnt_off0000b9f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB9F3 9968 bytes
SHA-256: e3345d8c61b19cd062357cdb6d1a1a39c7d83f63fd672a157b278ede69698930
font_03_sfnt_off0000dc59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC59 17244 bytes
SHA-256: 57bee0bbd67ea6d24ffeb7998000903d6d6c0b4b90bb7e2796d5414d5b0a7832

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