Malicious PDF — malware analysis report

Static analysis result for SHA-256 5af3e3e3493296cd…

MALICIOUS

PDF

46.5 KB Created: 2020-08-12 20:52:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 1624c00231de8c0a73e8ba16fd9b9231 SHA-1: 6374c79cb7a735815d00067c7d0f1d50d8c9bd68 SHA-256: 5af3e3e3493296cd4bd9b55ab3adfdcb899c3b521dbcbd348cdcdb0a1d4e476a
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, many pointing to Shopify domains hosting PDF files, but also includes a critical link to a known malicious redirector at 'https://ttraff.com/pify?keyword=worry+tree+worksheet+pdf'. This redirector is likely used to obscure the final malicious destination and is a strong indicator of a phishing or malware distribution attempt. The ML classifier also strongly flagged this PDF as malicious.

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=worry+tree+worksheet+pdf In PDF document text
    • http://files.clearcreekwatershedcoalition.org/uploads/1/3/2/6/132695568/jomego.pdfIn PDF document text
    • http://vumis.hopefulbyhope.ca/uploads/1/3/0/8/130874493/c32b6124.pdfIn PDF document text
    • http://files.travelwithbayside.com/uploads/1/3/1/3/131397946/e641141b7.pdfIn PDF document text
    • http://files.ibn4u.com/uploads/1/3/1/4/131482953/nitesegemazi-kirunumeset-folilopufiwu.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/1/0437/6163/1384/files/ansys_help_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4251/2791/files/calendario_serie_d_girone_d_2020_19.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8820/7254/files/bsnl_plans_maharashtra.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8849/5270/files/jenopup.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/4189/1238/files/7398047874.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1379/0106/files/association_rule_learning.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0627/9323/files/zixixamuzuxinare.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5274/4356/files/xumotojifabip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9836/5340/files/modumototinolabiroraj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6153/3082/files/33795445314.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4885/2891/files/mijusizafuvi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/3256/4132/files/millennium_approaches.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0392/7973/files/70213827111.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9622/0572/files/nokenozomokufi.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 6

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_off000076e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76E5 5156 bytes
SHA-256: c17a4965d2e071e999266d12a1958d8624b3564aceff1eec6c60c16175a24d10
font_01_sfnt_off00008893.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8893 10664 bytes
SHA-256: a3201212c37c8154b4d8a600cd9bedd9fd1855ed3901f8ba90017cc9f0c78c4c

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