Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb0358dc4b91f6d7…

MALICIOUS

PDF

33.0 KB Created: 2020-08-01 23:55:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7c1fe3ffc237b07ee15c671e1612cf19 SHA-1: 4740dab4cb14942d71f54ed3176ae7b53a4d0551 SHA-256: eb0358dc4b91f6d7a986154b23b4ff5f1e3cb32e66a029217c4924e1794df4d5
194 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with one specifically identified as a malicious redirector. The heuristic firings indicate this is a PDF link farm designed to direct users to potentially harmful content. The document body itself is heavily obfuscated but contains the URL 'https://ttraff.ru/pify?keyword=melodies+from+heaven' which is flagged as a malicious redirector.

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=melodies+from+heaven In PDF document text
    • http://files.malilab.org/uploads/1/3/0/8/130814283/sefasovegizijofe.pdfIn PDF document text
    • http://files.bneideffer.net/uploads/1/3/2/6/132695582/845251.pdfIn PDF document text
    • http://files.falmouthfloodinsurance.com/uploads/1/3/1/4/131405977/vupatada-wesig.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/1/0432/1371/7662/files/69504325092.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/99999806950.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5193/3078/files/27980661317.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9553/9368/files/kulibive.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4630/4933/files/bevomezijikivipok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0386/2440/files/89393082812.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4932/0610/files/63936266869.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2373/5720/files/dakubi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3174/6967/files/35587542215.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0140/4830/files/53394758222.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3264/0679/files/71353075227.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nulanevu.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 5

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_off0000452e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x452E 5212 bytes
SHA-256: 287e84b252a29caf74c95d6da551ec295f3ac6b8f37a09f08150eb0f1312850c
font_01_sfnt_off000056cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56CB 9480 bytes
SHA-256: c24d7d880b5af20e754d3cf73381e94139dfb9a4179a5b56d167d6a69c9ba1ec

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