Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d8bb817dee60cf9…

MALICIOUS

PDF

53.6 KB Created: 2020-08-02 05:47:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 60499f58506be4cd6b9110ea48ba815d SHA-1: 1fb0aea2a574d768c803753d5efc868b987a6300 SHA-256: 8d8bb817dee60cf991a5ade498594c789c55f6089f851a16ade75ff2e42d8376
194 Risk Score

Malware Insights

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

The PDF document contains a mass external PDF link farm, with many links pointing to Shopify domains and one critical link to a known malicious redirector at `https://ttraff.cc/pify?keyword=barking+dog+exeter`. This suggests the document is designed to lead users to malicious content through a series of redirects. No scripts were extracted from this sample.

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.cc/pify?keyword=barking+dog+exeter In PDF document text
    • http://files.interactivevideomarketing.net/uploads/1/3/2/8/132816107/migidepof.pdfIn PDF document text
    • http://files.johankoegelenberg.com/uploads/1/3/2/7/132740275/fuzepuwuti_sumajo_toxajuwolemuxo_nafowiviwi.pdfIn PDF document text
    • http://files.dallasmendingminds.com/uploads/1/3/1/3/131380456/jolufamelodika-maditir.pdfIn PDF document text
    • http://files.fingerhutpastries.com/uploads/1/3/0/8/130873708/ff00eb.pdfIn PDF document text
    • http://files.miguel-castro.com/uploads/1/3/1/6/131606343/d3b8effd00.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/1/0450/2405/1358/files/rope_rescue_manuals.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2750/4024/files/25932014880.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0720/3739/files/wepebijezinunimolo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8520/9507/files/luripetibamuvek.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5040/0920/files/59565822650.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1646/1211/files/gididimumekutibavewefed.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gidawibozifuniji.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2588/9442/files/tanizoruzet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5244/9435/files/15203779001.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2606/2239/files/72512288151.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9476/0862/files/verizon_moto_e_unlock.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9050/8960/files/72338750929.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_off000092fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92FA 4964 bytes
SHA-256: 7db4a3fad7dd25ac861d395f9dbc6775bc85d8aa53a050d1158d72e76e21aab5
font_01_sfnt_off0000a3f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA3F5 10956 bytes
SHA-256: 883da747550aec55c2d5aa2504011d3e0e929205c344476ce218e5695aaad635

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