Malicious PDF — malware analysis report

Static analysis result for SHA-256 6bfe939d3bf3d073…

MALICIOUS

PDF

41.6 KB Created: 2020-08-09 03:17:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dc3def8a148481e7b618ee68d996b488 SHA-1: 52acc5cbc125c33ed02db9d57f37edbcfe7e4b04 SHA-256: 6bfe939d3bf3d073a0cbf97be96c4b99ab494823f3e0548949c0c2f78fdc80af
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating it redirects to known malicious infrastructure via 'ttraff.com'. The ML classifier strongly supports the malicious verdict. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure, suggesting a phishing or scam 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=bloomberg+markets+live+forever+book+pdf In PDF document text
    • http://files.frescolondon.co.uk/uploads/1/3/1/3/131380251/vumutekelobadetige.pdfIn PDF document text
    • http://files.keanoraubun.com/uploads/1/3/1/6/131637014/pepelumerif.pdfIn PDF document text
    • http://files.staceydrago.com/uploads/1/3/1/4/131483391/5344998.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/1/0431/6980/8550/files/witubibupuxad.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6429/4557/files/seether_broken_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4574/6838/files/83139637327.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7274/9721/files/53507070498.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2024/7462/files/47275374243.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8951/1068/files/11462687314.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9596/4328/files/autocad_online_tutorial.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0714/8185/files/targeted_selection_interview.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/0781/8398/files/logistic_regression_analysis_example.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9334/3899/files/629608242.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5893/8531/files/fitefikozutizenegono.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2889/8211/files/polaris_rzr_800_service_manual.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_off000062e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62E8 5676 bytes
SHA-256: 982d000906a8b7f98c982a90000bb2a857cf516bd60e88281a753274ec57cfcb
font_01_sfnt_off00007628.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7628 10328 bytes
SHA-256: da458cd79455e1d267f6e4fd3f096b90bd9a498f46b3798d08a7e6e6ffbe4248

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