Malicious PDF — malware analysis report

Static analysis result for SHA-256 e38bc7e7b65294ca…

MALICIOUS

PDF

32.5 KB Created: 2020-08-14 21:10:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 568e8a27c2ad43e40fdad3e7e6b499dc SHA-1: 38fefc098d8371225299b46d2bd3fe57ab65fff9 SHA-256: e38bc7e7b65294ca2c853d8bbb3416ff408918d5a0c8041a04b9487083b0fe22
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating it links to a known malicious redirector, specifically ttraff.com. The document body, though partially corrupted, contains text related to a 'Sonata 2010 owners manual' and includes the malicious URL. This suggests a social engineering lure to trick users into visiting a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, limiting the analysis of direct payload execution.

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/wb?keyword=sonata%202010%20owners%20manual In PDF document text
    • http://files.hosshakukempon.com/uploads/1/3/1/8/131857419/xumavagonokotun-lakebosibuvodad-gapizufuda.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/1/0431/9376/1941/files/simariwipagefegavigawe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8502/8758/files/residential_load_calculation_manual_j.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/6733015585.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6659/7288/files/niripisudavuvajoxa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0287/9387/files/dazumimof.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7610/8956/files/40929045408.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3165/7638/files/41866845122.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1329/9620/files/90384498943.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7490/2423/files/fuzakuxixufegubakatibote.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4648/5672/files/58292135660.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0118/4417/files/mario_benedetti_la_tregua.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_off000043c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x43C6 5352 bytes
SHA-256: fb4321d64368a335281164fe83de2cea6d28e600a9a527a4e029ec4a51adc025
font_01_sfnt_off000055eb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x55EB 9372 bytes
SHA-256: 54543c56c3b59865007c69fceefe9501d1f7470a435fabe6c2b0a4c48ff9fa7f

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