Malicious PDF — malware analysis report

Static analysis result for SHA-256 6678a8c84b717524…

MALICIOUS

PDF

49.1 KB Created: 2020-08-06 15:05:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 85c7b2347006a458f6fe568ee94dae87 SHA-1: b6c9e631f6dd4abac4389a9ea08694f549b7df04 SHA-256: 6678a8c84b71752446af51394e059148692fe104445fe6ef1d7dabf87067267d
194 Risk Score

Malware Insights

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

This PDF document contains a mass external link farm, with many links pointing to SEO-optimized PDF files hosted on Shopify. The primary lure URL, 'https://ttraff.cc/pify?keyword=cerebral+malaria+treatment+pdf', is identified as a malicious redirector. The document body, though heavily obfuscated, contains this same lure URL and references to other Shopify-hosted PDFs, indicating a phishing or scam attempt to drive traffic to malicious infrastructure.

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.cc/pify?keyword=cerebral+malaria+treatment+pdf In PDF document text
    • http://files.wrosephotography.com/uploads/1/3/1/4/131406412/76eca58.pdfIn PDF document text
    • http://files.spanishoaks.com/uploads/1/3/0/9/130969306/9718001.pdfIn PDF document text
    • http://files.truenorthministries1.com/uploads/1/3/1/3/131398085/23b6dd.pdfIn PDF document text
    • http://dakizo.ncbbq4u.com/uploads/1/3/1/8/131857334/f75d551.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0428/5543/2348/files/zelutomugenodojizodowe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2571/8678/files/kukejatewonupez.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7300/2902/files/albuminuria_adalah.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/90442425312.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6968/6431/files/47287107282.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/2398/1979/files/laxirojuxakixab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2466/1154/files/wesafovule.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/7485/5846/files/89714515719.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8759/3632/files/68952179647.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nuxekenosagulowagegur.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 5

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000074d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74D5 4848 bytes
SHA-256: e84b8ebb5d87dcc4205d9319e40464fbc4341afd0e79497c3b94ecf4e5186268
font_01_sfnt_off00008526.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8526 10740 bytes
SHA-256: 219df24f95038832aa407b504c8283af94d1011dbe5401f31f050c60ec682329
font_02_sfnt_off0000a911.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA911 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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