Malicious PDF — malware analysis report

Static analysis result for SHA-256 61180170109f4082…

MALICIOUS

PDF

55.9 KB Created: 2020-08-14 15:46:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9f214442e7651eee833fe6c895f3db19 SHA-1: f1a3a163a703bc6ceca9e6503a0ef19b1cf8e70b SHA-256: 61180170109f4082015231e6c0c0817fbc453d99aa4e4c48e72994680f91513d
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, many of which point to an SEO redirector service (ttraff.com). This service is known to be used for phishing and malware distribution. The document body, though heavily obfuscated, also contains the malicious redirector URL, suggesting an attempt to lure users to malicious content under the guise of free downloads.

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.com/pify?keyword=cgaffinetransform+rotate+around+center In PDF document text
    • http://files.danielsonchiropractic.com/uploads/1/3/1/3/131379321/xolurona.pdfIn PDF document text
    • http://kemuj.mjmediabox.com/uploads/1/3/1/0/131070420/4992526.pdfIn PDF document text
    • http://files.makefieldcrossing.com/uploads/1/3/1/4/131437941/4944826.pdfIn PDF document text
    • http://files.backcourtballers.com/uploads/1/3/1/3/131379320/dozoxijorizum.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4575/6821/files/definition_and_scope_of_community_pharmacy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9062/5191/files/vuvedonabog.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1967/2472/files/new_headway_beginner_3rd_edition_student_s_book.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3066/7673/files/menuzusuvozopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bujebunefevefosilipepeju.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1141/4943/files/22695500673.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0445/8083/1396/files/pimufe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7438/8119/files/jasef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0638/5573/files/lead_lag_compensator.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/4709/9290/files/injustice_gods_among_us_comic.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5744/6038/files/metabolismo_de_bases_nitrogenadas.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9698/0136/files/mergers_and_acquisitions_from_a_to_z_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0316/6370/files/sogawegajimuxenukavufob.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007960.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7960 5212 bytes
SHA-256: 54587788a39221e11d11c03c0a5e2b9f8136c689aa2b743b4a0c811814bfd2b8
font_01_sfnt_off00008b02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B02 10696 bytes
SHA-256: 2f6fef1b49aafdb13ff163775aa34c33a7583979402303a575367f1930617bcd
font_02_sfnt_off0000af7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAF7E 16060 bytes
SHA-256: bb1e7b69a1727d502fa20c27594a44db64609b87a44ae202a20d3a9f6d018624
font_03_sfnt_off0000c417.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC417 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3