Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ce9a2a5f20bab34…

MALICIOUS

PDF

164.7 KB Created: 2020-08-20 03:25:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: ae3daa32406542b57fc93901ff1c8ce5 SHA-1: 6cb1f516e273a1892487d15a559b28ee8819a488 SHA-256: 7ce9a2a5f20bab34c8089678dbc1cc0f834fcc84081136a6843da259e423d30c
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links that redirect to a known malicious URL, identified by the heuristic PDF_MALICIOUS_REDIRECTOR_LINK. The document body, though heavily obfuscated, contains text referencing 'Dark Shadows' and the malicious URL, suggesting a lure to entice users to click the link. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • 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.ru/pify?keyword=dark+shadows+dvd+episode+guide In PDF document text
    • http://files.valuable-autographs.com/uploads/1/3/2/7/132741029/b0d94.pdfIn PDF document text
    • http://files.goripple.org/uploads/1/3/1/3/131398573/65babf00b7c9b15.pdfIn PDF document text
    • http://files.fightingforthedream.com/uploads/1/3/0/9/130969265/e306b1.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/1/0434/2589/0469/files/wosederenuvobexezisatas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7125/8278/files/27816906066.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1880/5657/files/92135778940.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9911/2099/files/82696726241.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/1825/5510/files/psp_wifi_not_supported.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0450/8064/1699/files/caruso_lara_fabian.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5152/4001/files/possessive_adjective_practice.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/8305/5782/files/32004669183.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7029/1096/files/love_story_sheet_music_violin_and_piano.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8670/7876/files/redijivagejunu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/8307/0629/files/acta_constitutiva_de_una_sociedad_cooperativa_formato.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0053/4952/files/92808558722.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3191/9783/files/bts_love_yourself_answer_l.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 3

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_off00024ebf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x24EBF 5404 bytes
SHA-256: 58956e82c665210ed9c3c9567f4e6523ee810fa27cf185a520aebd688162fd6c
font_01_sfnt_off00026140.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x26140 10528 bytes
SHA-256: 40dcdfa59e95b4ff881e0b105152264fc55e8202ef24d5c9489918942cef990a

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