Malicious PDF — malware analysis report

Static analysis result for SHA-256 ca7fb1f06c4341da…

MALICIOUS

PDF

41.1 KB Created: 2020-08-17 01:29:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 9604d2b432b59543f29b5c46504eacf9 SHA-1: eb266cc634ff363d70babca59db75b846eb428ca SHA-256: ca7fb1f06c4341da9ed646d363cce05de80f5438210f6f2df32c72f9e59cd310
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is used to lure victims. It also contains a PDF link farm heuristic, indicating a large number of external links, with one pointing to a Shopify domain. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=pdf+split+and+merge++mac' and other Shopify URLs, suggesting a phishing or scam attempt.

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.com/pify?keyword=pdf+split+and+merge++mac In PDF document text
    • http://files.coastlinepainting-nc.com/uploads/1/3/2/6/132682785/4af7fdd824.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/1/0445/1673/7183/files/kurirapona.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2606/9157/files/blissful_marriage.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2752/1948/files/fukukuxuromoder.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3084/6363/files/26989074790.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0608/9640/files/taclane_kg_175d_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8322/5506/files/logaligu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5274/4356/files/marathi_calendar_2020_september.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2425/9992/files/fujukezeru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2469/4942/files/matanetiloximib.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0263/4148/files/siviwisiwob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/8469/1094/files/76829200932.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1466/7936/files/no_verity_opt_encrypt.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 2

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_off0000624e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x624E 5476 bytes
SHA-256: d351684284ebfe8d4410f1ae5c0da9e9623b480cc372582ee1904b39057f0d58
font_01_sfnt_off000074cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x74CD 10228 bytes
SHA-256: 437701ebe52e5d11daf210a656b3c5c45a1875654dcc6aaa9d2fa9779a80c48b

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