Malicious PDF — malware analysis report

Static analysis result for SHA-256 8935cf19fcda6261…

MALICIOUS

PDF

66.6 KB Created: 2020-09-10 02:56:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: d2214eb6f19d51709b9d22607cec7e08 SHA-1: 08ea176faaedd4d4348bb2b9908db42a035ab7a8 SHA-256: 8935cf19fcda6261b45bc3ccadea848831ddfe6f6a470c21c8586e3f4739fa3d
194 Risk Score

Malware Insights

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

This PDF document contains multiple embedded links, with a primary redirector URL identified as malicious. The document body, though heavily obfuscated, contains text suggesting a lure related to 'Beautiful shayari dp' and the malicious URL. The presence of a link farm and a redirector indicates an attempt to drive traffic to malicious infrastructure, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.me/wix?keyword=beautiful+shayari+dp In PDF document text
    • http://files.philthurber.net/uploads/1/3/0/7/130739457/40175b37dd709.pdfIn PDF document text
    • http://files.sirenastudio.com/uploads/1/3/0/7/130775197/vegewalomavozux.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/1/0447/9765/7248/files/ecocardiograma_doppler_color.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0531/2156/files/56439435334.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6127/2983/files/xafufozadigux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8774/8508/files/5005645974.pdfIn PDF document text
    • https://static.usrfiles.com/ugd/bc84a3_4daa294694834b6891d9b92f51d015ec.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6965/1606/files/57278438643.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5115/5609/files/61876434301.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000a7f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA7F6 5280 bytes
SHA-256: 21e876a23d0f4b0f59f7121c172bcb47a8ce61017cf435932aaecf0eca42f0a7
font_01_sfnt_off0000b9f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB9F0 15308 bytes
SHA-256: 785bcd13229de56bed6e4a3dffa73f7a0ba9990242b028880e9f17b873e75d18
font_02_sfnt_off0000e944.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE944 16036 bytes
SHA-256: 149cab45689013e99d1aa520d2e5234663aa5d8577b6aae5e423b5d60aeda4c1

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