Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fe7e07094623b92…

MALICIOUS

PDF

161.5 KB Created: 2020-08-17 10:12:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3e8c741962b93e15274bc443e24f1153 SHA-1: c5e0c840b1672842d69de7110133b476d37dbe1d SHA-256: 2fe7e07094623b92d2b8965f62be27ced0dd22f8a86be6508d8d0131bb9e0ca8
134 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL, 'https://ttraff.ru/pify?keyword=android+developer+studio+emulator', is directly associated with this malicious activity. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. No scripts were extracted, and the PDF structure itself does not indicate specific exploitation techniques beyond the malicious link.

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=android+developer+studio+emulator In PDF document text
    • http://files.ratswamp.com/uploads/1/3/2/7/132710654/f676ec63a2a5f.pdfIn PDF document text
    • http://files.dporganizing.com/uploads/1/3/0/7/130775292/7189464.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/1/0437/6310/5953/files/the_greening_of_whitney_brown.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7392/9378/files/tivemivula.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9708/7390/files/iehp_prior_authorization_form.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/vuzodatusowajukekef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0476/2011/files/lisuvojipax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/2723/9836/files/eyes_text_symbol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4745/0789/files/theological_dictionary_of_the_new_testament_kittel.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0441/2620/8152/files/91214586587.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0789/3919/files/46954217321.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/2891/2040/files/74206192843.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_off000244f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x244F3 5156 bytes
SHA-256: 57ef8d54e62881fa4dcf30643ccdb8f4c332b0835a53ace500cf07a1c2229f2b
font_01_sfnt_off00025661.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x25661 9980 bytes
SHA-256: 1a8d3e54dc29a30ef3def4a94647e03a2ac17002acd97f42ca6162d02f3d377d

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