Malicious PDF — malware analysis report

Static analysis result for SHA-256 94b759b4a8b7b499…

MALICIOUS

PDF

41.2 KB Created: 2020-08-07 10:07:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 8366ba76fa16110c579ad15bbfbdfa6e SHA-1: 5e32dd80309369a1576bc97e74159bfc67108976 SHA-256: 94b759b4a8b7b4996da9805fd20524ea443e44f0cfc4a725c56ac660d2c2c7d5
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, directing users to 'https://ttraff.cc/pify?keyword=native+american+flute+songs+pdf'. Additionally, it exhibits characteristics of a link farm, embedding numerous external PDF links, many of which point to Shopify domains. The document body, though heavily obfuscated, contains the same redirector URL. This suggests the primary intent is to redirect users to malicious content.

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=native+american+flute+songs+pdf In PDF document text
    • http://files.daphnesdetails.com/uploads/1/3/1/3/131398351/modipa_sefamilif_femagekivuw_xurofumolikab.pdfIn PDF document text
    • http://files.aboundinlove.com/uploads/1/3/1/0/131069869/nipumifabolej_wibuvupekefile.pdfIn PDF document text
    • http://files.slingsandroundabouts.com.au/uploads/1/3/1/4/131437987/fopemebirinusor.pdfIn PDF document text
    • http://files.valeriekacianyoga.com/uploads/1/3/1/3/131379815/7549994.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/1/0428/2525/3023/files/vowusunokuxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1754/3588/files/35617639265.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1473/1429/files/sovimam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2567/9015/files/sevazexisagoka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6843/2288/files/16893071437.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5396/3678/files/atherosclerosis_definition.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6694/9786/files/oxford_dictionary_of_physics_free_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/3543/3887/files/bankers_adda_current_affairs_one_liners.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6588/4323/files/10247835935.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tefukina.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6088/7705/files/potobebulofotukux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1447/0302/files/29689070153.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/0870/5187/files/98231429588.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000653e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x653E 5504 bytes
SHA-256: db8914522b20b06ed28cacd4446610301a1581dbe002b2c1c9877e95239ab449
font_01_sfnt_off000077f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77F3 9364 bytes
SHA-256: 57e389f95a1864f40f7c19ae2ee457aca037620f316fbe9aa0048050b0476681