Malicious PDF — malware analysis report

Static analysis result for SHA-256 06cb4de0657895ef…

MALICIOUS

PDF

65.6 KB Created: 2020-08-21 09:44:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9fa1f709762c4db8624a557d786bd1da SHA-1: 3e114d36565b9669079a2b4170c63140476aaa65 SHA-256: 06cb4de0657895ef111048fe2873bfa676ed0beb52a71853475a7d8552929b1c
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links designed to appear as legitimate documents, but they redirect to a malicious URL. The primary redirector, 'ttraff.cc', is flagged as malicious and used in a link farm to promote potentially unwanted content. The ML classifier strongly indicates maliciousness, and the overall structure suggests a phishing or scam attempt.

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=washroom+checklist+format+in+excel In PDF document text
    • http://files.lakewatchoutdoors.com/uploads/1/3/0/9/130969037/nirugelog.pdfIn PDF document text
    • http://files.prooutboard.com/uploads/1/3/0/8/130873715/4035581.pdfIn PDF document text
    • http://files.fittingroomligonier.com/uploads/1/3/0/8/130814672/sodumavasoso_sugenufefigu_tinivotosuna_sezomojodupebe.pdfIn PDF document text
    • http://files.endoflifewisdom.org/uploads/1/3/0/7/130776644/wemelepogidefoji.pdfIn PDF document text
    • http://duzanofu.casadegrode.com/uploads/1/3/0/7/130776783/linox.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/1/0466/4095/5557/files/adani_ports_annual_report_2017-_18.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0462/1287/4394/files/flowers_for_algernon_activities.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2598/7741/files/38686321137.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/79265304831.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4852/5206/files/12081968785.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/demesudixagivok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/0673/0144/files/93062999543.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3703/8491/files/waves_gizmo_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7181/5331/files/how_to_make_sub_bookmark_in.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3304/2839/files/zosimigofolidiburu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3518/1724/files/kwame_anthony_appiah_in_my_father_s_house.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000b392.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB392 2828 bytes
SHA-256: a17885b4fd577e0298a64705d5055d2ac7c2363fd7008e9cf236b3df412a17d8
font_01_sfnt_off0000bd8c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBD8C 5268 bytes
SHA-256: 8d2269818af70726d031348bb0a11ebfe59fb903c5764c7b51a6e7bcc784e8c7
font_02_sfnt_off0000cf5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCF5A 12392 bytes
SHA-256: 9001d013d6313d7456de8c27efc3f2d37d6ef04a35620d28c6dbc1e161073abd

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