Malicious PDF — malware analysis report

Static analysis result for SHA-256 a95f9211e6380f55…

MALICIOUS

PDF

46.9 KB Created: 2020-08-21 19:57:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 78e191b9712d686bd739ceec09d040c3 SHA-1: fdb6c526b0ba6386f011924275c496befe0a8fd8 SHA-256: a95f9211e6380f55b2ffbc0ff99e4c7b98f14948fb353570e1010d4b3cbf75a8
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a primary link directing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=apprendre+l%2527+anglais+grammaire+pdf', suggesting a lure to a phishing or malware distribution site. The presence of numerous links to PDFs hosted on Shopify indicates a potential SEO poisoning or link farm strategy to distribute 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.com/pify?keyword=apprendre+l%2527+anglais+grammaire+pdf In PDF document text
    • http://files.tainjio.com/uploads/1/3/0/7/130776641/jubodalo_teruga_sugetowuganudab_ropenid.pdfIn PDF document text
    • http://files.nextstepsglobal.org/uploads/1/3/1/0/131070895/d4c1de7cb7439.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/1/0431/1370/9722/files/sosialisasi_budaya_organisasi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6076/3555/files/41307282120.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3692/5342/files/denakevomulon.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0350/1989/files/6546880558.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1338/9992/files/stop_ssh-_agent.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6088/7705/files/16261170985.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3304/2839/files/white_background_powerpoint_templates_free.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/3331/1904/files/jezefoviliwin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/6911/0432/files/bsc_agriculture_online_form_2018_maharashtra.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Related samples 3

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000065bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65BC 6504 bytes
SHA-256: 8522561e56dc4aa1e24d7f8194443676aac5772b18dc1a4e09752b78bde05f58
font_01_sfnt_off000075f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x75F2 5384 bytes
SHA-256: 3b4b34294841b88989b88679bfaf45a93d78a272611906b2693e910044b4c71b
font_02_sfnt_off0000882f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x882F 11868 bytes
SHA-256: 651706af7e5d275d0ff28c2e5dba8583219f4fef012f5edb3d69d00d0be00d91

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