Malicious PDF — malware analysis report

Static analysis result for SHA-256 0554f3c946c754d0…

MALICIOUS

PDF

40.0 KB Created: 2020-08-06 01:04:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 34a2875e51dbc437b38d78fdecf5d2f8 SHA-1: 8c010e808a03e259aa73a745c98eb6b78cd4c7b3 SHA-256: 0554f3c946c754d0112ec3b8af0efeef364975583e97128cc4cac07f8dc8e268
194 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a redirector infrastructure known for hosting malicious content. The primary redirector URL is https://ttraff.ru/pify?keyword=la+armadura+de+dios+pdf+priscilla+shirer, which is likely used to obscure the final destination and potentially engage in SEO poisoning to lure victims. The ML classifier strongly indicated maliciousness, supporting the heuristic findings.

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.ru/pify?keyword=la+armadura+de+dios+pdf+priscilla+shirer In PDF document text
    • http://files.bournadventure.com/uploads/1/3/1/4/131438180/jibevapofaxagi-xumivixowazid-worumiva-muxogaj.pdfIn PDF document text
    • http://files.nottinghammassage.com/uploads/1/3/1/3/131384414/dfa929a821.pdfIn PDF document text
    • http://files.simicollins.com/uploads/1/3/2/6/132682048/xififexub.pdfIn PDF document text
    • http://files.moniquebosshardcurby.com/uploads/1/3/0/8/130874276/8affbb90.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/1/0435/9048/4131/files/26460052806.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6649/8965/files/sexobekixinusegegeni.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/9003/2278/files/all_star_superman.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1673/9222/files/73418956590.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8313/7178/files/majewitadavisagom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6819/4978/files/57573740698.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1987/7026/files/tetojatafisamavilemigivuv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6383/6834/files/todudibujafosanasi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7106/9594/files/47354527307.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2905/9989/files/danadebitogib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8255/5297/files/finurokago.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6152/6166/files/vadagavexibowelomepitoj.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_off00005c94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C94 5336 bytes
SHA-256: eae2833eb6b157adf7625baecdaf865730b833d5f24bca9d105ccf8952494363
font_01_sfnt_off00006e8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E8F 10640 bytes
SHA-256: fd560161f356b7037c74b402a32e11a5552f675e4941dcda26df7427e51b9a81

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