Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d3bfc643a66f238…

MALICIOUS

PDF

43.6 KB Created: 2020-08-01 06:41:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b5b2fefffff60ff846d7ff59172565a9 SHA-1: 9785a6fbeb76e80e886b4d91b25c2951c6eec3c7 SHA-256: 3d3bfc643a66f2382f8a9c867a3fc010cbe8cb212d098f4032f3e7b47d0eab63
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating a malicious redirector at 'ttraff.com'. The document body, though partially corrupted, suggests a lure related to 'export gif in photoshop'. The presence of a link farm further supports a malicious intent to drive traffic to potentially harmful sites. The ML classifier strongly supports the malicious verdict.

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=how+to+export+gif+in+photoshop In PDF document text
    • http://files.citygroves.com/uploads/1/3/0/7/130739978/9560233.pdfIn PDF document text
    • http://files.plympton-wyomingfair.com/uploads/1/3/0/7/130739061/5a5a2.pdfIn PDF document text
    • http://files.grovecanada.org/uploads/1/3/0/9/130969659/47def0a30c.pdfIn PDF document text
    • http://files.nourishinginsights.com/uploads/1/3/2/6/132695392/nipigepevipakopad.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/1/0434/6439/2866/files/pusewizubutekipumuno.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3292/6616/files/59832365066.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3676/2527/files/sadisumajebinokipezo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8797/0975/files/darumutobovile.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0003/5485/files/10819640220.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7155/3189/files/77878240266.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6000/1957/files/35062484936.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0298/5626/files/71376781530.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/6372/0613/files/ga_market_bulletin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3165/7621/files/kezusavijizaliw.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4163/5997/files/niwoniruwodufofitetu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3228/9178/files/sagoketezelosajis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/45235944591.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_off00006d88.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D88 5044 bytes
SHA-256: a3441ec86be4807a6c9350abc6ca1307d1b70c84c8557995fccd2981c91fa025
font_01_sfnt_off00007ecd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7ECD 10028 bytes
SHA-256: d63f285c40dc233e8634416ed84d8104e6859b2353c66686c7ed596508fb71b1

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