Malicious PDF — malware analysis report

Static analysis result for SHA-256 d84eabbaf78b24ce…

MALICIOUS

PDF

47.1 KB Created: 2020-08-11 19:32:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 92307e363709bc0021a8df5a06479c9e SHA-1: f345f2342b090fac002611301cbfde5612328338 SHA-256: d84eabbaf78b24cef3b519c74db19a1c55aafd495b8be698a499c6e57529ef96
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links, many of which point to external resources. One critical heuristic firing indicates that the PDF links to known malicious redirector infrastructure via the URL https://ttraff.cc/pify?keyword=the+lonely+shepherd+guitar+pdf. The document body text, though partially corrupted, includes this same URL, suggesting an attempt to direct users to 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=the+lonely+shepherd+guitar+pdf In PDF document text
    • http://files.musicwithflair.com/uploads/1/3/0/8/130814459/jikaganuxiw_suwofilez_gikozewituwogag_tamurozi.pdfIn PDF document text
    • http://files.karrathacaravanpark.com.au/uploads/1/3/1/4/131437949/9115762.pdfIn PDF document text
    • http://files.ptccommunitygardens.org/uploads/1/3/0/7/130776861/9534671.pdfIn PDF document text
    • http://files.incaenterprises.org/uploads/1/3/1/3/131380916/rukev.pdfIn PDF document text
    • http://files.driesenga.com/uploads/1/3/0/7/130776822/sofovejubutuz.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/1/0429/7529/7689/files/20619014718.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2301/4824/files/glossaire_du_transport_maritime.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2648/9249/files/certificado_de_origen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6246/0577/files/46764654976.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/6688/4250/files/75429865475.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9474/6023/files/rixobumikowowogilidosok.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/6004/4710/files/bujulubamijepixajut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2848/0157/files/jexuwix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9079/5941/files/dilobowifuxubafunuxonetu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2363/8426/files/xojiv.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/7879/2869/files/dazimenixalos.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000065e5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65E5 5356 bytes
SHA-256: a5badf88a3d68ff002cc6bc827f35c966b96899040784dfcaef7befb44724be0
font_01_sfnt_off00007819.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7819 9932 bytes
SHA-256: 2d1ca42734d6837274df53616753ea78b3faea5dd9eaf88ae0f97cbdecbf852f
font_02_sfnt_off00009a4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A4F 16120 bytes
SHA-256: 15cc5c52b507135e8b88421ba6518d619f75b60a2b0061e0982ff1989570a3ec