Malicious PDF — malware analysis report

Static analysis result for SHA-256 89a4073ec10eb824…

MALICIOUS

PDF

48.5 KB Created: 2020-08-20 21:53:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0597a53433182abeb383b8bec16f6d20 SHA-1: d457725bd9ea95b3443f609001fa67b5419b8cec SHA-256: 89a4073ec10eb824a0ba74a7c531005c2921bcc7412bd1a1606b01434701c54b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains numerous links, many of which point to a redirector service known for malicious activity. The document body, though heavily obfuscated, contains text suggesting a lure related to 'best offline android games with great graphics' and includes the malicious redirector URL. The presence of a link farm and a malicious 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.cc/pify?keyword=best+offline+android+games+with+great+graphics In PDF document text
    • http://files.thegoldpatrol.com/uploads/1/3/1/4/131453114/xasedafogajazija.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/1/0445/3623/4148/files/android_studio_disable_auto_import.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5650/4744/files/torowowuxeveb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0733/6857/files/dilamirixeje.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3025/7568/files/58871800000.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/7053/6345/files/52717790509.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5595/5619/files/manos_que_curan_barbara_ann_brennan.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5727/3237/files/magivasujamofomepeneb.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 1

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_off00007e9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E9C 5712 bytes
SHA-256: b9395b443276f27b3b31f44f3ef54822daeaf2c5feffb54d907c720e81f65f72
font_01_sfnt_off000091e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x91E8 10328 bytes
SHA-256: ffda0eb2ddf94f47120843bc268ace25278c4bd3ea03ea28ea9a28441f41860d

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