Malicious PDF — malware analysis report

Static analysis result for SHA-256 6b0352daeae25e00…

MALICIOUS

PDF

59.3 KB Created: 2020-07-30 20:38:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a7ca25aa25105143e020f365a3ad7791 SHA-1: ffd95de2bd370f5b0121492810296202e81e0f69 SHA-256: 6b0352daeae25e00c0ce31a968c6c866462166833d383b4cb793aac23142fa7c
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 identifying a redirector to malicious infrastructure at 'https://ttraff.com/pify?keyword=asma+bronquial+pdf+gina'. Another heuristic indicates a large link farm, suggesting an attempt to manipulate search engine results or distribute content. The ML classifier strongly supports the malicious verdict.

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=asma+bronquial+pdf+gina In PDF document text
    • http://files.redrockpei.com/uploads/1/3/1/1/131163780/e7ecf5.pdfIn PDF document text
    • http://files.dancingchickjams.com/uploads/1/3/1/4/131453250/eb52570f.pdfIn PDF document text
    • http://files.invitations-party.com/uploads/1/3/1/6/131637953/7106885.pdfIn PDF document text
    • http://files.pmbaptist.net/uploads/1/3/1/8/131856339/4376663.pdfIn PDF document text
    • http://files.teaandmascara.ca/uploads/1/3/1/8/131871994/dd0020ea4.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/1/0432/0559/1200/files/35064187279.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8282/5382/files/tatimoxuzaxogu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3182/9412/files/40068650725.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7877/0076/files/bifewabev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6377/9240/files/sufavumaka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/1057/2967/files/ligisilonigigosurofefida.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8277/6727/files/7424939121.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0143/0695/files/74139920982.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9338/5633/files/bemow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7069/3282/files/guzub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8336/5528/files/xigura.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9463/8749/files/robufamikam.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 4

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_off0000abb0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xABB0 5300 bytes
SHA-256: 735180b343772423fca2970563b7526a72067c90393417e33247cb9e9a588db9
font_01_sfnt_off0000bd74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBD74 10016 bytes
SHA-256: 606920b1763721ebd99dabb7df516a0eae7c52b64bbeaf604c4375db8a7a0bdb

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