Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf2a24b6cee22b2a…

MALICIOUS

PDF

96.8 KB Created: 2020-08-07 18:25:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 2e81304d44d139e0b25898a32513e790 SHA-1: 46de674e74c3f15b955135d671ee2a1aee92fe35 SHA-256: bf2a24b6cee22b2af11e9e71b3f5627332c8ea5700e867d812b5700b590cc235
194 Risk Score

Malware Insights

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

The PDF contains a malicious link that redirects to a known malicious domain, ttraff.com, under the guise of providing a "Primavera p6 instruction manual". The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the malicious URL and references the Primavera P6 manual, reinforcing the lure.

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=primavera%20p6%20instruction%20manual In PDF document text
    • http://files.musicalastrologer.com/uploads/1/3/2/7/132711954/lefirubedejodawa.pdfIn PDF document text
    • http://pevusub.savejonesstateforest.com/uploads/1/3/1/3/131379706/gagoremosutiturogiv.pdfIn PDF document text
    • http://files.blissfulbeingsspa.ca/uploads/1/3/0/7/130739288/279754a.pdfIn PDF document text
    • http://files.glasgowclydecbt.co.uk/uploads/1/3/1/0/131070894/4683279.pdfIn PDF document text
    • http://fontawesome.iohttp://fontawesome.io/license/In 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/1/0432/2790/6206/files/36965885447.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3741/6869/files/wotejajeti.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0702/5060/files/tuxolisabipuravofawuwud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4920/5405/files/daxulemojetinowofa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8385/8073/files/fexutoxuro.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3425/5258/files/lojuwubipukepopomojebubum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1565/0980/files/50328070101.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5841/1158/files/3ds_max_2010_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5145/0519/files/cara_membuat_cv_via.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xekosipavejidowusa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2698/7680/files/44282820613.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012b27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12B27 1684 bytes
SHA-256: 7597ca05d88191d945b493fa774a2684eede0672f419881f47faee53dfcda606
font_01_sfnt_off0001338a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1338A 5292 bytes
SHA-256: 6b391b48b6cc417f2751cea4911cb62ebd3f6da8f66bec50405360b406407190
font_02_sfnt_off00014574.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14574 15388 bytes
SHA-256: f499069a82ba77d0593fad2ca8eace182f8364ede96a3539263aab70c09a70e3