Malicious PDF — malware analysis report

Static analysis result for SHA-256 93e6c07725f0ffba…

MALICIOUS

PDF

81.1 KB Created: 2021-03-06 05:06:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: e5f8646b1ac12e5ccce392f0192e7d6b SHA-1: 5c66e4cd9119763f0bf3f793acf61203ed5bef35 SHA-256: 93e6c07725f0ffbaba8108b445d47ac5fe799792d931ec9c1182752f3f1c4242
156 Risk Score

Malware Insights

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

This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many of which point to potentially malicious domains, suggesting a link farm or phishing lure. The document body, though partially corrupted, includes a keyword related to 'Taoisme livre pdf', likely intended to trick users searching for such content into clicking malicious links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9994

Heuristics 5

  • 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.
  • 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://golowaki.ru/wix?keyword=taoisme+livre+pdf PDF link annotation
    • http://xafesuvorolivig.scienceontheweb.net/xopudewuxopurexugabi.pdfIn PDF document text
    • http://bulakirip.getenjoyment.net/fallout_4_companion_module.pdfIn PDF document text
    • http://fotubobuwenapu.scienceontheweb.net/who_should_have_played_sookie_stackhouse.pdfIn PDF document text
    • http://zagozogenef.sportsontheweb.net/netflix_how_to_train_your_dragon_2_full_movie.pdfIn PDF document text
    • http://tebogekememesij.mygamesonline.org/who_makes_one_touch_ultra.pdfIn PDF document text
    • http://kipokefurur.mygamesonline.org/osha_safety_glasses_rating.pdfIn PDF document text
    • http://fomijegi.mypressonline.com/88159945925.pdfIn PDF document text
    • https://deremorukoj.weebly.com/uploads/1/3/4/4/134490203/804390.pdfIn PDF document text
    • http://mazikopipovix.mywebcommunity.org/jonoserodepekozakexizo.pdfIn PDF document text
    • http://nogurufegu.mygamesonline.org/gta_v_premium_edition_ps4_what_do_you_get.pdfIn PDF document text
    • http://bebetadiruj.mywebcommunity.org/how_to_use_spanish_words_in_a_sentence.pdfIn PDF document text
    • https://foboxujegi.weebly.com/uploads/1/3/4/6/134694162/gudeji.pdfIn PDF document text
    • https://wejowijugoli.weebly.com/uploads/1/3/1/3/131383775/768185.pdfIn PDF document text
    • https://guvoruba.weebly.com/uploads/1/3/4/7/134742814/gagotu.pdfIn PDF document text
    • https://xudinenudomojuv.weebly.com/uploads/1/3/4/3/134356320/9125127.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/vuxalirudidel/43150503842.pdfIn PDF document text
    • https://s3.amazonaws.com/bufipevuril/adda247_books_free.pdfIn PDF document text
    • https://s3.amazonaws.com/baposivarabuj/jeepers_creepers_1_dual_audio_480p.pdfIn PDF document text
    • https://s3.amazonaws.com/wejuvono/how_to_package_a_box_for_usps_shipping.pdfIn PDF document text
    • https://s3.amazonaws.com/dazuxujepov/bread_baking_for_beginners.pdfIn PDF document text
    • https://s3.amazonaws.com/batiku/raxagakolezazawelarusevug.pdfIn PDF document text
    • http://nejimafalun.onlinewebshop.net/does_hbr_exhibit_hydrogen_bonding.pdfIn PDF document text
    • https://s3.amazonaws.com/jukoxisojow/24234921264.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_off0000fd8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD8F 5196 bytes
SHA-256: 063c986c7e469e478e44bd6ef39ce123c9c178fcd2653ecddbebb02966579d08
font_01_sfnt_off00010f2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F2B 12296 bytes
SHA-256: 675070e9f736206a8c430c9a326fc33ca4d473d0f752a0ba7e8ce28667911ab5

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