Malicious PDF — malware analysis report

Static analysis result for SHA-256 60a56e0b6fe81f7e…

MALICIOUS

PDF

67.3 KB Created: 2020-10-10 14:55:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: ba2919705105e77f603a463c3d856f64 SHA-1: 78ec284948755dec669c2c5310ee8a7f881e66dd SHA-256: 60a56e0b6fe81f7ef824615c74c84e5cf6cb6e90fb49aa8bbfa254e83488a2de
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9958

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://gettraff.ru/pify?keyword=d%2526d+2nd+edition+pdf In PDF document text
    • http://xirijexe.lucybellesrainbow.org/uploads/1/3/2/7/132741334/banepafemab_defugana_savofakeb.pdfIn PDF document text
    • http://files.memorialbusinessday.com/uploads/1/3/2/7/132711947/takebeku_dusulamogolupen_gixobatesoluw_karelojebamaxi.pdfIn PDF document text
    • http://dipom.scenetrek.com/uploads/1/3/0/7/130738731/nidozuk_rominedobe.pdfIn PDF document text
    • https://site-1037218.mozfiles.com/files/1037218/gagowisokijagekojo.pdfIn PDF document text
    • https://site-1042287.mozfiles.com/files/1042287/rakugatekuroporoxuloki.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/1/0429/9273/0275/files/xumofuwi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0480/8028/9956/files/pupelifinakerifidoxoliwa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/93bf817e-e6ca-4200-bf21-7c735e559e87/ralotuxuxiduravosed.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/988d6c9a-2fc7-4ea7-9257-b3157e8ae030/64164541551.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
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn 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 7

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_010_off0000ee0a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0xEE0A 6504 bytes
SHA-256: 24360cdb7014ada8aa5e6f1d3277a2d71ef7b6d1dc3bf288ea9a040c472e669a
font_00_sfnt_off00006d48.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6D48 7516 bytes
SHA-256: 075fb9e944568478c94e38805233b1125798969703103af32602e568e806d8e3
font_01_sfnt_off000080ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80CE 3148 bytes
SHA-256: a277baa0363301820e691350cb860598f83a55ab5f470b69e31f1ace31f899c5
font_02_sfnt_off00008c0d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C0D 4156 bytes
SHA-256: 588f521cfd4f94b822f1b06fc45d750a2892d21422664c4a04289674f6411020
font_03_sfnt_off000099f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x99F7 6280 bytes
SHA-256: 9b26e63dddb061148d2096f8a3abd9ddbfbe7663dcfe2e6edc24d1b84c1ba01d
font_04_sfnt_off0000a961.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA961 15432 bytes
SHA-256: 3c61ca23f18972c4310f93237d109625127534660b164e442659c476c9bb45a7
font_05_sfnt_off0000d76c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD76C 16516 bytes
SHA-256: 04fe25b29f051d70f1708f46f478918d30a58f8dd56488b8fb7dbeafae74b6e1