Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6f0066571741a87…

MALICIOUS

PDF

75.9 KB Created: 2021-03-12 06:25:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-02
MD5: b0fd8d3b45e4804500623137160a1829 SHA-1: c419f4e854cf26cd4348887e8c913c236bdea8e0 SHA-256: f6f0066571741a87c015ddcfb093fd8d19f30ef8813e699e7ba8556846f37f99
126 Risk Score

Malware Insights

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

This PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and appears to contain metadata rather than user-readable content, further indicating a malicious intent to obscure its true purpose.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://lozipotod.ru/123?utm_term=banjara+movie+video+song PDF link annotation
    • http://tetiviguxawik.getenjoyment.net/tipokasosejeruwosazi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4475196/normal_60321d6e7b2b6.pdfIn PDF document text
    • https://kibodoru.weebly.com/uploads/1/3/2/6/132695707/vuzeguduwetama_xibajebetikamol_vaguruxirina_divafefuti.pdfIn PDF document text
    • http://pazujiz.mygamesonline.org/jufetibivusar.pdfIn PDF document text
    • http://rowikisiwub.22web.org/56319581257.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425224/normal_5fe06f3d1341b.pdfIn PDF document text
    • http://zakababonedip.iblogger.org/66618528520.pdfIn PDF document text
    • http://forovasax.medianewsonline.com/46238022979.pdfIn PDF document text
    • http://sewukagazub.mypressonline.com/pdf_book_review_of_wings_of_fire.pdfIn PDF document text
    • http://xegazinijitup.mywebcommunity.org/69184901020.pdfIn PDF document text
    • https://kitedagipan.weebly.com/uploads/1/3/4/8/134892955/zotex_dezixor_penininalil.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/375f506c-b277-48f1-9789-782c11d6449d/64587796.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/37c70ea4-c2ee-43ce-b5f6-17f68bc6b034/lugojujob.pdfIn PDF document text
    • http://lujotuxubegu.rf.gd/how_to_turn_on_my_keyboard_light.pdfIn PDF document text
    • http://fojagezo.rf.gd/fazutolasefewiwunujatuni.pdfIn PDF document text
    • http://zunaxixe.rf.gd/championes_a_la_plancha_informacion_nutricional.pdfIn PDF document text
    • http://wulibazosuxib.onlinewebshop.net/how_to_service_a_whirlpool_washing_machine.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cf32168f-48ac-4503-92f0-947fda906365/the_tragedy_of_macbeth_act_1_test_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6f7ae066-15d1-4a4e-9eef-b15a4c14752a/what_is_the_food_safety_act_uk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/96fcf6a3-be56-4a2b-b783-36b7047e4ebe/what_is_another_word_for_a_few_things.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_off0000eba5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBA5 5300 bytes
SHA-256: 7e1fcd90d4ad29e1cebf046ecb5cec89564721e6dfa8b5e6e7175f5dc5a5b7ac
font_01_sfnt_off0000fda2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDA2 10820 bytes
SHA-256: f4d39572188ebe5e3fcb80485779ea97a81d092688985d60946b3c924e5455e4

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