Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b6a485f80466c4f…

MALICIOUS

PDF

41.4 KB Created: 2020-08-03 07:29:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: dc6f726e5241394008bfce289c26f608 SHA-1: 2d9d5b5e688050f94844da69a458935ef6f4f4ff SHA-256: 7b6a485f80466c4f4478ba6768150de92cf5ccb9b0c59a099c98db28a25038d0
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, many pointing to SEO-optimized PDF hosting sites, and a critical link to a known malicious redirector at `https://ttraff.ru/pify?keyword=blessed+drake+lyrics`. The document body, though heavily obfuscated, contains this redirector URL and references to 'lyrics', suggesting a lure to a malicious site. The ML classifier strongly indicates maliciousness.

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=blessed+drake+lyrics In PDF document text
    • http://files.keepitrealministriesd.org/uploads/1/3/1/4/131407299/7d3886fc.pdfIn PDF document text
    • http://files.mastersextoys.com/uploads/1/3/2/6/132682585/sofebusobefeg-ponukiwofopum.pdfIn PDF document text
    • http://files.joywinsdammit.com/uploads/1/3/0/8/130873807/e5cd1.pdfIn PDF document text
    • http://viwadi.thetrevortrophy.com/uploads/1/3/0/7/130739615/aa13522cea.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/1/0430/2936/4885/files/gmail_is_slow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0849/9618/files/14077018738.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/8022/9791/files/laxagabuvorituxarubopik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9911/1070/files/22589347719.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6092/8405/files/33064011926.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3110/1603/files/vajenukuwuvebom.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/5594/6647/files/sketchup_2016_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7441/1926/files/85824232530.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1104/6558/files/kemajiduxoxajavefog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7243/7913/files/32475925549.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9313/1425/files/19270910820.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_off00006542.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6542 5148 bytes
SHA-256: f157f2989b594b60aef37775c8c9c43bd163139f44c3b6438650dc676415abcf
font_01_sfnt_off000076de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76DE 10012 bytes
SHA-256: ad314aad64e4f3e491d4e93f5d91e3009b2a9bfb66d3cd7b7cba787db3dea016

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