Malicious PDF — malware analysis report

Static analysis result for SHA-256 f77474372f5ffd21…

MALICIOUS

PDF

41.7 KB Created: 2020-08-11 09:31:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 62d43b4a7a825773790dcd7a53f0e3bb SHA-1: 67f6c3269b4c3119d04ae731eadd88fd19f7012b SHA-256: f77474372f5ffd21f71a61671c3242f74c78c0d818aff2f251b7bd0ecda2a41f
194 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded URLs, with a critical heuristic firing indicating a link farm. One of the primary URLs, 'https://ttraff.com/pify?keyword=anterior+nasal+packing+pdf', is identified as a malicious redirector. This suggests the document is designed to lure users to malicious sites, likely for phishing or malware delivery. The presence of numerous links, many hosted on Shopify, further supports the link farm hypothesis.

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=anterior+nasal+packing+pdf In PDF document text
    • http://files.jaguerzon.com/uploads/1/3/1/4/131438888/1113475.pdfIn PDF document text
    • http://files.readytoexhaleworkshops.com/uploads/1/3/1/3/131379099/396d163.pdfIn PDF document text
    • http://files.poetsespressoreview.com/uploads/1/3/0/8/130814118/xikiw.pdfIn PDF document text
    • http://files.lesliemcgeaghhypnosis.com/uploads/1/3/0/7/130776276/7917241.pdfIn PDF document text
    • http://files.603diesels.com/uploads/1/3/1/6/131636843/3868241.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/1/0438/4666/4349/files/juluv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0808/9509/files/kingdom_hearts_2._5_final_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5259/6374/files/xumexudepibemujawebesiji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/9093/5969/files/sharebutton._to_google_analytics.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2640/7833/files/total_drama_island_episodes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6591/5045/files/56185541587.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/4016/7320/files/dobofimuredake.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2859/4344/files/22152116672.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0331/3308/files/77212110338.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3461/5706/files/kigonodes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0147/8300/files/droit_de_l_urbanisme_au_cameroun.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6796/4580/files/juwidagebe.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_off000065b3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65B3 5376 bytes
SHA-256: ad160b019b1c5c0543069ea8b9f79c20986e099276f656304868bd394111952e
font_01_sfnt_off00007802.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7802 9972 bytes
SHA-256: 8692989dfe66929bf64e706efa5fbde9301b3691aad4624e10229cc61cf689d2

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