Malicious PDF — malware analysis report

Static analysis result for SHA-256 10c77cf5c38cd91d…

MALICIOUS

PDF

90.6 KB Created: 2020-08-14 06:09:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 7dff2c5d9745f53602095162b66c5a5e SHA-1: 1ff92a536e905ae049fcf16fe1db66971e8ad14c SHA-256: 10c77cf5c38cd91dc3e0b721f1854c6075ffb815751e64356bd16f958be12133
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, many of which point to a redirector service. The primary redirector URL, 'https://ttraff.cc/pify?keyword=tenu+dil+da+vasta+song++320kbps', is flagged as malicious. This suggests the document is designed to trick users into clicking malicious links, likely for phishing or malware distribution, under the guise of providing downloads.

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=tenu+dil+da+vasta+song++320kbps In PDF document text
    • http://files.manhattanyouthballet.org/uploads/1/3/1/3/131380558/c124c1ded0.pdfIn PDF document text
    • http://fepab.jonesingforcake.com/uploads/1/3/1/4/131407469/kuguziti-vupelixubo-wezudonijojama.pdfIn PDF document text
    • http://bawox.westlockbutchershop.ca/uploads/1/3/0/8/130874478/1921233.pdfIn PDF document text
    • http://files.gavrielrosenfeld.com/uploads/1/3/1/3/131379510/3871438.pdfIn PDF document text
    • http://files.divinefaithtarot.com/uploads/1/3/1/3/131379732/268085.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/1/0432/7754/9726/files/sadamezumaviraxoraxe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8589/7627/files/bunty_aur_babli_full_movies_hd.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/3256/4132/files/interview_questions_on_control_systems.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4705/0661/files/equilibrio_ionico_exercicios_resolvidos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/3393/6547/files/movomozoleritawabiveposob.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7405/9426/files/bipase.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/9451/5614/files/51687589381.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7432/9499/files/sonda_vesical_hombre.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4765/6343/files/vokofobimasuligudesediwik.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0862/0701/files/how_to_craft_a_compass_in_minecraft.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8181/7505/files/nestle_pakistan_annual_report_2020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3192/8740/files/91173816379.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3041/2437/files/babadarolelizodepijaliv.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001161d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1161D 4396 bytes
SHA-256: d700b5393b49f8e3e18f6d2ab5d20b6cf8feba1da856b3b326a829c14b070136
font_01_sfnt_off000125a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x125A5 5684 bytes
SHA-256: 84e91d238fbf1ff13fc5c935976113dc5b12cc5c5b4949bb6d20f585f04b405a
font_02_sfnt_off00013912.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13912 10472 bytes
SHA-256: 2946b201a1d87886b21d515ca138c5bf272c0d8c196719492067a15dddb9cbb6