Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f8f79b0df47ba6a…

MALICIOUS

PDF

32.9 KB Created: 2020-08-12 07:01:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6682f965bcac1dc7803523801580afa9 SHA-1: 5ac6a0a208e23bd64aa9955c59fa40790cce78ff SHA-256: 9f8f79b0df47ba6a73ad99ebd256fbd7d8d90c5555f7967b378e792c620dc717
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify. One of the primary links redirects to a known malicious infrastructure at 'ttraff.ru'. This suggests a link farm or SEO poisoning technique used to distribute malicious content or conduct phishing. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/wb?keyword=half%20penny%20farm%20menu%20pdf', reinforcing the malicious redirector 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.ru/wb?keyword=half%20penny%20farm%20menu%20pdf In PDF document text
    • http://files.lavenderwrapswholesale.com/uploads/1/3/1/4/131406935/7026001.pdfIn PDF document text
    • http://files.metropolitanperformingarts.org/uploads/1/3/2/8/132814286/17496.pdfIn PDF document text
    • http://files.ashleyowens.shop/uploads/1/3/1/4/131483254/35b2ae9e6.pdfIn PDF document text
    • http://files.molecularultrasound.com/uploads/1/3/0/8/130874143/dovutevebasinerin.pdfIn PDF document text
    • http://files.518nextlevel.com/uploads/1/3/1/3/131384249/bawam.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/1/0434/6534/3133/files/81130108894.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4647/8758/files/29906856562.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4973/8650/files/zodijepixonerosawugumepa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5548/0981/files/10798691908.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6063/3504/files/subifef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9814/4932/files/whirlpool_cabrio_platinum_dryer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4233/9992/files/ramab.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6232/1567/files/cabin_in_the_woods_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0881/1427/files/oath_cher_lloyd_lyrics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6769/5509/files/nitefetosogajelowu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/5254/3649/files/idylis_416709_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3332/9817/files/zisowitika.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_off00004652.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4652 5072 bytes
SHA-256: 5a63d7bf7133544bd2d4303942c491c03174787a184a8228ebc415105088d1db
font_01_sfnt_off00005787.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5787 9172 bytes
SHA-256: cc9c57d42b145e5f40ef2408622621d2fb7e3bc84910b7e4e83ad6b4390ade4f

Open this report in the interactive analyzer, or submit your own file for analysis.