Malicious PDF — malware analysis report

Static analysis result for SHA-256 b7abad641aebea6b…

MALICIOUS

PDF

41.1 KB Created: 2020-08-01 22:42:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 598e3b34986125e5f7101e3eef2e3f44 SHA-1: e405c9c46cad49ede5d66937dffe538166db0e62 SHA-256: b7abad641aebea6b12f3f17ab8c16af29c6d74a73e9d792c1af6e54ea4e1e2d8
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, with one heuristic identifying it as a PDF SEO link farm. The primary redirector link, 'https://ttraff.ru/pify?keyword=mac+show+desktop', is flagged as malicious. This suggests the document's purpose is to redirect users to potentially harmful content or engage in SEO manipulation. No scripts were extracted from this sample.

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=mac+show+desktop In PDF document text
    • http://files.graindesigns.co.uk/uploads/1/3/0/9/130969954/3681755.pdfIn PDF document text
    • http://files.katillacmoments.com/uploads/1/3/0/8/130813448/4024200.pdfIn PDF document text
    • http://files.maeganbeale.com/uploads/1/3/1/4/131453219/vixox.pdfIn PDF document text
    • http://files.thecarolinasportsdistrict.org/uploads/1/3/1/1/131164431/3519514.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/1/0428/7361/8599/files/61446713348.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9345/1159/files/29390543582.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0857/9993/files/62995177118.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1260/1502/files/56887893607.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/0246/9285/files/182113885.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2174/5823/files/54308439594.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/8271/1201/files/37558721599.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7974/6201/files/11656642225.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/0765/3526/files/52080294018.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4207/8877/files/lofavajudusafomukeduga.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0152/0023/files/85911300948.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 3

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_off000062f6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62F6 5196 bytes
SHA-256: 8df053eca2491a0c3627c4fdee8515486518c9993c9a851ff76c31dcfa9711ce
font_01_sfnt_off000074bd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74BD 10284 bytes
SHA-256: 09cfd9e6653a1bde4a2af008b84f5a242fc533187932e9819bd35bc5204b674f

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