Malicious PDF — malware analysis report

Static analysis result for SHA-256 1aa4254c4bd9bcef…

MALICIOUS

PDF

55.6 KB Created: 2020-08-14 10:43:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 416d05b6464a571a2a27543e1e4b684e SHA-1: d8166b3b27553381355531e77bdcb584bdcb9ee8 SHA-256: 1aa4254c4bd9bcef8b91d06a41d137ced723d6ab2496367fabb8bc4f08347f39
194 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.cc/pify?keyword=devi+chitralekha+ji+songs+free'. It also contains a heuristic for a PDF link farm, with numerous links to Shopify-hosted PDFs. The document body contains obfuscated text and the malicious URL, suggesting a lure to trick users into clicking the link. No scripts were extracted from this sample.

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=devi+chitralekha+ji+songs+free In PDF document text
    • http://files.wingsofhopemankato.com/uploads/1/3/1/8/131871642/67edb0e.pdfIn PDF document text
    • http://files.goshawarmastop.com/uploads/1/3/0/8/130874583/rumevimaneja_bogixe_fabadike.pdfIn PDF document text
    • http://files.canadamt.com/uploads/1/3/1/4/131409574/5612647.pdfIn PDF document text
    • http://files.organichead2toe.com/uploads/1/3/2/7/132710732/598294.pdfIn PDF document text
    • http://files.rootedaltarministries.org/uploads/1/3/0/8/130874469/vijogale_sizurub_mapexipi_dukobeg.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/1/0432/9861/9557/files/61565449321.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0062/6341/files/14206394844.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7272/4897/files/area_of_similar_triangles_worksheet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/5110/3894/files/minecraft_server_status_bot_discord.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/6467/8817/files/36861544522.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8161/9861/files/carcel_de_amor_carol_marinelli.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7316/6744/files/34328551126.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7673/1558/files/54997456473.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/3123/1649/files/20663228567.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2011/6387/files/fulton_county_daily_report.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3838/1992/files/75211832157.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0016/8597/files/carrier_oils_for_aromatherapy_and_massage.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_off00008c4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C4E 5340 bytes
SHA-256: 521a4711a8564d60cf50a4980137ffd40b279457dda9f3a8d5eb14994e636799
font_01_sfnt_off00009e82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9E82 15576 bytes
SHA-256: 94038c6a21d32998f8d7012bdfa823c7b5b0fce9a4d079d4c7a0067beaeef060

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