Malicious PDF — malware analysis report

Static analysis result for SHA-256 480db008415ce5c6…

MALICIOUS

PDF

41.8 KB Created: 2020-08-05 11:00:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7f8a8736e99c9b4cf3eefc41df5ce786 SHA-1: f71db21f8a0223308421545c605bb0c9989231dc SHA-256: 480db008415ce5c6e2dd5e0b924b59e6a74fea96e60829bd5bc901ef7f9e80d5
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=oxidation+of+alcohols+to+aldehydes+and+ketones+pdf'. This indicates the document's primary purpose is to redirect users to a harmful destination. Additionally, a PDF link farm heuristic suggests the document is designed to host numerous external links, likely for SEO manipulation or to distribute malicious content. The document body contains obfuscated text and embedded URLs, further supporting the malicious intent.

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=oxidation+of+alcohols+to+aldehydes+and+ketones+pdf In PDF document text
    • http://files.mattschorr.net/uploads/1/3/1/8/131857060/virivage.pdfIn PDF document text
    • http://files.peterjenningspoker.com/uploads/1/3/1/0/131070434/tilolav-debafuviworuxog.pdfIn PDF document text
    • http://files.savedanyway.com/uploads/1/3/1/4/131454034/vipalutoge.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/1/0433/5458/7288/files/jabaluzosatomefavurif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7091/4717/files/92972264042.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7102/0957/files/87125904490.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9041/0658/files/bhutan_tourist_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1784/4382/files/8478743679.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9092/0099/files/gokisolomabixenusirina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5850/2563/files/1898376091.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0147/8307/files/fisiopatologia_da_retinopatia_diabetica.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4678/0566/files/1441821641.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0866/2440/files/brooker_biology.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3050/2806/files/zipumam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7133/1742/files/4863354807.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4511/6311/files/7577508781.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/4121/6929/files/26045065560.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006538.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6538 5408 bytes
SHA-256: ecfd0dea112f3cf139bd4b3585dd76ee0a902170de1f427d6f66d0a900515926
font_01_sfnt_off000077ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77AC 10196 bytes
SHA-256: 28f43119bf6b195d34ee14673e2adbd1932f1a4772bc35f73a120d6d0f02a45f