Malicious PDF — malware analysis report

Static analysis result for SHA-256 aad65a1f494e06a9…

MALICIOUS

PDF

34.2 KB Created: 2020-08-21 08:22:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: c21020f2a6d31e128398b0e14eb8b3a9 SHA-1: b72197469d50d0e3582107438e82648ac72cbea0 SHA-256: aad65a1f494e06a9f96fb656b8529484d3089d49966929474e164ae9ba64252d
194 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=amadeus+director+forman+crossword+clue', suggesting a lure to a malicious site. The presence of a large number of external PDF links also indicates a link farm, a common tactic for SEO poisoning or distributing malicious content.

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=amadeus+director+forman+crossword+clue In PDF document text
    • http://wagosize.auroramidwife.com/uploads/1/3/0/7/130775626/wapabudegul.pdfIn PDF document text
    • http://files.catlinsdiscoveries.com/uploads/1/3/1/4/131407918/1c656.pdfIn PDF document text
    • http://files.explorepickens.com/uploads/1/3/1/3/131379382/nedavafogizubo.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/1/0434/0360/8231/files/xebovakin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3699/9833/files/i2_analyst_s_notebook_8_espaol.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/4357/7246/files/propiedades_quimicas_del_bicarbonato_de_sodio.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1594/5890/files/ipad_markup_pencil.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/2988/7136/files/django_template_if_not_in_list.pdfIn PDF document text
    • http://files.crumbs.eu.com/uploads/1/3/0/8/130874544/pinazomopexomet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2080/4511/files/roleruj.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5685/5190/files/19840241920.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1817/3086/files/accounting_intern_job_description.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0443/5096/3868/files/ironman_lanzarote_2019_athlete_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7552/6051/files/canada_map_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5856/9128/files/how_to_codesign_gdb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6667/1782/files/73459022534.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 2

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_off00004848.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4848 5248 bytes
SHA-256: 226d74c7532edbac1cac3e16f119702e56f7b007ee6cf7636947d334a7059a58
font_01_sfnt_off00005a11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5A11 9912 bytes
SHA-256: 74ac2fef3caf2711e7112936edefa1901fa18a1f8d2e32e0e11acb114fac2e4c

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