Malicious PDF — malware analysis report

Static analysis result for SHA-256 67f05fe19c4cf2a1…

MALICIOUS

PDF

123.9 KB Created: 2020-08-21 10:41:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6e183be744ec67e3cdba36fc66d2500a SHA-1: cc4af80c3790e7fb5cbc275bcf60fa0f23d393f7 SHA-256: 67f05fe19c4cf2a19ca2c9329a96e3584d1fb1cf0bd3bd43a7a46047c1a39c0e
192 Risk Score

Malware Insights

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

The PDF contains numerous links designed to create a link farm, with a primary redirector identified as malicious. The document body, though heavily obfuscated, contains a URL that points to a known malicious redirector. This suggests the document's purpose is to drive traffic to malicious infrastructure, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8786

Heuristics 4

  • 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.
  • 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.ru/pify?keyword=marathi+bhajan+gaulani+free In PDF document text
    • http://tixigun.janiceragoart.com/uploads/1/3/1/6/131606183/lunatolutapebitop.pdfIn PDF document text
    • https:///1414510/1414510/crop_175x175_1414510.jpg��,albumartwork_largeIn 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/1/0434/0688/5027/files/fakebudexox.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5919/9650/files/lepibuwonareduvevaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0449/0018/8327/files/28608639197.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3580/4319/files/84084145325.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6726/0582/files/fesije.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3712/9895/files/sukagetikafomekovuni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/9528/4130/files/wanenutulowenunawaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7945/7173/files/sciatica_exercises.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3914/6662/files/gepud.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001ade7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1ADE7 5072 bytes
SHA-256: 5063cee0e2090cc0a02d6da30f5c1b67c7466ef75866b1120932929c77c91119
font_01_sfnt_off0001bf31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1BF31 14684 bytes
SHA-256: 4b33b9a36007c38d3967589bfc3f40101b9aa0174620cb1fab972d2f18837857