Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7063e74aa8d5886…

MALICIOUS

PDF

50.1 KB Created: 2020-08-24 01:28:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: fd9f25f271ca1c63d914e9e5cbe76f75 SHA-1: 8a77d9bb55b5ced7f81a35b629b9490bef702e4c SHA-256: b7063e74aa8d5886a2e00453f2255c724ca2f1ed05ff7e24708c0fe506f6704b
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link

The PDF contains numerous embedded links, with one specifically identified as a malicious redirector pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'pdf adobe acrobat reader 8 free', suggesting a lure for users to download potentially malicious software. The presence of a link farm and a critical heuristic firing for malicious redirector links strongly indicates a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.com/pify?keyword=pdf+adobe+acrobat+reader+8+free In PDF document text
    • http://files.theartssociety-pewseyvale.com/uploads/1/3/1/4/131437563/273ba55ee90.pdfIn PDF document text
    • http://files.eastcoastspeedwaytv.com/uploads/1/3/1/6/131606262/5719794.pdfIn PDF document text
    • http://files.maxxfinndesign.com/uploads/1/3/1/3/131381078/lesonuba.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/1/0431/9094/3901/files/dism._exe_online_cleanup-_image_startcomponentcleanup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8185/9225/files/rukugatutujebezuzemo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7709/9935/files/bin_sachivalay_clerk_book_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7396/8030/files/dafapebanijadobofuravaf.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0043/0746/files/50081758337.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9318/1087/files/talakivipafifebogejax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7118/4794/files/wunixuza.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4771/2928/files/sutado.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7732/8278/files/aptitude_test_sample_papers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0096/9896/files/automatic_synchronization_of_generators.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1423/4016/files/px_to_pt.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 8

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_off0000873c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x873C 5140 bytes
SHA-256: 93198d84f359e27dbce419032eb0ecf127a043cb628732f5078aa9be1389989c
font_01_sfnt_off000098c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x98C5 10240 bytes
SHA-256: 7a0b20f754fd9479e98076ffffa2863c07596b3ebd033b7481be38d3483675db

Open this report in the interactive analyzer, or submit your own file for analysis.