Malicious PDF — malware analysis report

Static analysis result for SHA-256 5bacd1b3fc288448…

MALICIOUS

PDF

45.2 KB Created: 2020-08-10 21:21:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9d2dec2bc6132fb40621eed3b2831820 SHA-1: 494690a27bcb23f5ff244f8e65e5bc06fc60131d SHA-256: 5bacd1b3fc288448bc6a2ab0b6099432f5fc96404159511c41975e6629d366e5
194 Risk Score

Malware Insights

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

The PDF file contains numerous links designed to appear as a business plan report, but they redirect to a malicious domain (ttraff.com). This indicates a phishing or scam attempt, likely using a spearphishing attachment as the initial access vector. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple SEO-optimized links further supports a malicious intent to drive traffic to potentially harmful sites.

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=business+plan+report+sample+pdf In PDF document text
    • http://files.pasinfonia.org/uploads/1/3/2/6/132681558/luroru-putas-wasonorofadi-bukafutominosi.pdfIn PDF document text
    • http://files.myfutra.com/uploads/1/3/1/3/131384018/netax.pdfIn PDF document text
    • http://files.vibrantpet.com/uploads/1/3/0/8/130874019/xewonefa-giwelox-xegojojegikoz.pdfIn PDF document text
    • http://files.treesurgeongloucester.com/uploads/1/3/2/7/132710763/582091.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/1/0431/1190/7488/files/vekukirudabirezoliba.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/3651/7286/files/73011245133.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4747/7667/files/31346094377.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8649/5396/files/vajavurepa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7670/4664/files/nixifitunexafizi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3732/5462/files/jimopenezevariluvolu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/43778875991.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0644/3163/files/8879715144.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7027/5237/files/32768081902.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9181/1734/files/92400754750.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_off00007289.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7289 5236 bytes
SHA-256: f371bf5ed3e5e1559b1332d8fd41a0e423390b421196ece979cf3861fb8ad75a
font_01_sfnt_off00008436.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8436 10456 bytes
SHA-256: 42e4625d11db5e4d6c14d7dde13694409736023c19f17f40a77d54ac2732e398

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