Malicious PDF — malware analysis report

Static analysis result for SHA-256 bac1fe365edac312…

MALICIOUS

PDF

71.0 KB Created: 2021-02-24 12:49:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: b1d03e7c26fe780b365b0b1a7a003f23 SHA-1: 7586386f23911ff5c240fbcdbce93607d7f57db7 SHA-256: bac1fe365edac312e91980ecfe98597800e4963d6ec7b58e2be174a3b645c249
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://maypoin.ru/123?utm_term=how+to+get+an+american+english+accent PDF link annotation
    • https://cdn.sqhk.co/negapevu/YkNDVjg/download_gangstar_crime_city_games.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4423454/normal_5fff337ac0004.pdfIn PDF document text
    • https://cdn.sqhk.co/dudugetogi/jjgzhg6/wishlist_apparel_dresses.pdfIn PDF document text
    • https://cdn.sqhk.co/fabozesemi/DSjf7hd/jutetojizamesofumutodagu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460076/normal_602b0a91a3b74.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496586/normal_5fd13340df2bf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484114/normal_5fde38d181056.pdfIn PDF document text
    • https://cdn.sqhk.co/gebemiwisero/hSie0gh/terraillon_wellness_coach_app.pdfIn PDF document text
    • https://cdn.sqhk.co/telivagawu/fghifjj/44385090134.pdfIn PDF document text
    • https://cdn.sqhk.co/mugejufunij/icbhbhI/solitaire_ring_settings_with_baguettes.pdfIn PDF document text
    • https://cdn.sqhk.co/jasowipe/hid4fcz/star_fox_adventure_gamecube_rom.pdfIn PDF document text
    • https://sagagedonu.weebly.com/uploads/1/3/4/0/134017332/gawugekavisewuz_zawurolabezan_pufusexe_josotudorojuli.pdfIn PDF document text
    • https://cdn.sqhk.co/duxadikoti/cxsgiif/order_of_battle_world_war_2_gameplay.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/buxoparadazegu/actualiser_tableau_crois_dynamique_google_sheets.pdfIn PDF document text
    • https://s3.amazonaws.com/xurixado/48899199879.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000da32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA32 5264 bytes
SHA-256: d5787ed6530cb2d43e2a4b38d65ea17cfbf206c8515978adb6e3526aa1bbed45
font_01_sfnt_off0000ebfe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBFE 10360 bytes
SHA-256: b1e5105004eb8b2937fa37ebb08e79816081ef889f201077f1f89c7bb3dddcce

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