Malicious PDF — malware analysis report

Static analysis result for SHA-256 f48935cc2301c5a8…

MALICIOUS

PDF

41.3 KB Created: 2020-08-04 02:57:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: f127f5147a1d2bfdcb64660eb8c9e963 SHA-1: 8c88cdfff20cd7745cd23ea2337d93f38df4cf4a SHA-256: f48935cc2301c5a80b7cb43a7262b03d2f7c189873c5e0c57563d1523fd1e49d
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is likely intended to lead the user to a malicious site. The document also contains a large number of links to other PDFs hosted on Shopify, suggesting a link farm designed to manipulate search engine results and potentially hide the malicious redirector. The ML classifier strongly indicated 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.com/wb?keyword=bern%20physiologus%20pdf In PDF document text
    • http://files.whatthesaintsknew.org/uploads/1/3/1/4/131453436/votukapopezufuxuji.pdfIn PDF document text
    • http://files.edutechresearch.com/uploads/1/3/2/7/132710748/0971927.pdfIn PDF document text
    • http://files.styer-fitzgerald.net/uploads/1/3/1/1/131164364/922863.pdfIn PDF document text
    • http://files.wellesleyfamilydental.com/uploads/1/3/1/8/131871816/4615243.pdfIn PDF document text
    • http://files.snakities.com/uploads/1/3/1/4/131437210/955dcf1ec4a.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/1/0432/0962/1665/files/duziden.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6232/0536/files/36743277506.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0531/2156/files/lamuwavusujekeripeka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/6087/9782/files/woramofedemuxusapoxizoluk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/4504/4892/files/45173730955.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3123/9588/files/87660993286.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5471/9395/files/40626367690.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9073/9361/files/pozokojazakakeve.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9919/3501/files/39436442837.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2995/4721/files/nikon_sb_600_manual.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_off00006043.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6043 5244 bytes
SHA-256: 4429b7dd49ab98867d50b32951c959264a97b4384f897f99e9db245b8ac1b919
font_01_sfnt_off00007226.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7226 11812 bytes
SHA-256: a4a6fab97afd90aa67f6c7fe10e97392aebafd0dc37aecfd1baccddf56485435

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