Malicious PDF — malware analysis report

Static analysis result for SHA-256 a12d0dae36259ce2…

MALICIOUS

PDF

94.6 KB Created: 2020-11-05 11:06:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 553fd26eedc473eb7e18ef2eedaec34c SHA-1: 7a175aa5bf01bbcc635d29179fb3937606e783d6 SHA-256: a12d0dae36259ce2c51142d64cf269e34a501e2a73be3df3b90cb8d204ba0bc7
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a heuristic firing for PDF_MALICIOUS_REDIRECTOR_LINK, indicating a link to known malicious infrastructure. Additionally, PDF_SEO_LINK_FARM suggests the document is part of a link farm, likely to manipulate search engine results or distribute malicious content. The embedded URL 'https://ttraff.me/123?keyword=falling+in+love+with+you+toy+story' is the primary indicator of malicious intent, likely leading to a phishing or malware download page.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • 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.
  • 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.me/123?keyword=falling+in+love+with+you+toy+story
    • https://cdn-cms.f-static.net/uploads/4445325/normal_5fa21961e7ef1.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/2f4c432c-c8e4-4089-80c8-6a4cab540461/93178542520.pdf
    • https://uploads.strikinglycdn.com/files/fbd107f1-b61b-4da6-a6ee-5a21fec322ca/bwwm_books_online.pdf
    • https://s3.amazonaws.com/vinivuxo/how_to_write_an_opposition_to_a_motion.pdf
    • https://uploads.strikinglycdn.com/files/a539d84e-346d-4c00-b5f7-517a73c96c26/castle_on_a_hill_lyrics_meaning.pdf
    • https://uploads.strikinglycdn.com/files/62c72e9d-2393-45b5-98ce-f8532be89c0c/toselobo.pdf
    • https://cdn.shopify.com/s/files/1/0428/0185/6668/files/james_hardie_artisan_siding_installation_instructions.pdf
    • https://uploads.strikinglycdn.com/files/e3c75b32-3899-450f-a1a0-d84e132a66f1/zootopia_full_movie_download_720p_du.pdf
    • https://s3.amazonaws.com/mamukawaxatali/skyrim_magic_scaling.pdf
    • https://uploads.strikinglycdn.com/files/79717d48-a0f8-40cf-acf7-dbaad2f466a4/58756239720.pdf
    • https://uploads.strikinglycdn.com/files/ef05592a-ad9a-499d-99d4-1a1a122a0316/sarugenowedikip.pdf
    • https://s3.amazonaws.com/muvunekagok/importance_of_energy_in_our_daily_life.pdf
    • https://uploads.strikinglycdn.com/files/1dcbcdf4-4917-432d-97e7-c979886ac0c6/what_language_is_akwaaba.pdf
    • https://uploads.strikinglycdn.com/files/477f7254-68a1-4a77-8eb1-65dc4a8f6463/pac_12_conference_latest_news.pdf
    • https://uploads.strikinglycdn.com/files/0f03d913-9738-4058-ab05-c1136b72a228/dont_tread_on_me_uterus_sticker.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001346f.bin
3dc85c8b49bcad877131c7a10d111976d518e4e8f9a3579d1b9141bde323eec3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1346F 5156 bytes
font_01_sfnt_off0001460d.bin
43d7ba62bd9653a6e9bca84c475502e178044fe02aa8f239ef226106516cbf0c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1460D 11808 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.