Malicious PDF — malware analysis report

Static analysis result for SHA-256 9cf3c7fb425f7f8f…

MALICIOUS

PDF

44.6 KB Created: 2020-08-13 22:30:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: a59ca54bd53d67980e2a549de8b7b7a8 SHA-1: 6fd026c0e86bc9a4eecd8a5f39165d29c4c9647b SHA-256: 9cf3c7fb425f7f8fb05c29263e968640e9a1c24126414fcaf9caecf1f421a1fd
194 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with one prominent link directing to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=cartoonito+italia+tv+guide', suggesting a lure to a fake TV guide. The ML classifier strongly flagged this PDF as malicious, and the presence of numerous PDF links points to a content-spinning or SEO-based distribution tactic.

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=cartoonito+italia+tv+guide In PDF document text
    • http://files.canadiancoachbaker.com/uploads/1/3/2/7/132740838/mezebevawiserap.pdfIn PDF document text
    • http://files.cmgaesthetics.com/uploads/1/3/0/8/130814050/c5f7fc55b9e.pdfIn PDF document text
    • http://files.georgecontini.com/uploads/1/3/0/7/130739831/4641336.pdfIn PDF document text
    • http://winewe.pelsallcarnival.org/uploads/1/3/1/3/131380160/a805a2ca8ff1f.pdfIn PDF document text
    • http://files.charmsandsparklebyria.com/uploads/1/3/0/8/130814855/vadoremuneminubis.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/1/0430/8179/3698/files/ashtanga_yoga_primary_series_poses.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1471/6572/files/supepotukizirozobezaveg.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0451/0826/5125/files/60015501878.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0278/0072/files/adeptus_astartes_codex_8th.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2225/3208/files/english_academic_writing_books.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8649/4361/files/suxidot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3164/9689/files/hawke_cable_gland_size_chart.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3826/7809/files/berijurax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5563/5880/files/kawedamuzisoxifinake.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/3378/6525/files/88610097209.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2582/5955/files/14877138219.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/6665/3858/files/urdu_encyclopedia_download.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_off000071f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71F8 4780 bytes
SHA-256: f5679d5392a0d5ebcf15a43bf47922f1b22f5d8b417c5f605904b7887f5242e4
font_01_sfnt_off0000824b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x824B 10360 bytes
SHA-256: 1dd8592465d54ae699046b3c752cfa7acc560ef516cb3542886bf01270613796

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