Malicious PDF — malware analysis report

Static analysis result for SHA-256 047bc7de2647a4c7…

MALICIOUS

PDF

46.9 KB Created: 2020-08-24 21:33:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: aa3f876d340f75c70f857ce1cc17678a SHA-1: 2a42c68346280e2d4a1dff0580401d0aac06126d SHA-256: 047bc7de2647a4c79091f4e6d31efbd4670a1b09f973076233365ac2fd59e7db
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating it is a malicious redirector and part of a link farm, designed to lead users to external sites. The embedded URL 'https://ttraff.com/pify?keyword=usb+bootable+linux+mint' is identified as a malicious redirector. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to exploit users through deceptive content, likely for phishing or malware delivery.

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=usb+bootable+linux+mint In PDF document text
    • http://files.marisatcohen.com/uploads/1/3/1/4/131410007/2019329.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/1/0448/9465/0535/files/antibiotics_simplified_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0464/9805/4312/files/62302669169.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8343/2096/files/atlas_of_foraminifera.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8665/2316/files/vazezowowutefefajinuba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1520/8098/files/warhammer_40k_3rd_edition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4578/9606/files/mpls_vpn_interview_questions_and_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8565/2375/files/zoxomevimosotagulipamumax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1512/5662/files/69598143172.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4506/0762/files/materiales_odontologicos.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 3

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_off00007a8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A8E 4936 bytes
SHA-256: 0243b04df2776da464009e3505840b7756c1f6d2ab4d4281722c6f806ece26f9
font_01_sfnt_off00008b4a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B4A 10512 bytes
SHA-256: 65208c9cc225f5abad5c18096f257db34a4df95de5f3b044dd18c77eeb059753

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