Malicious PDF — malware analysis report

Static analysis result for SHA-256 a60328780ebbb423…

MALICIOUS

PDF

78.5 KB Created: 2021-03-09 21:53:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 6f205a9d9ff3f465f92b7905b9b76fb5 SHA-1: 7b949642b9d49aff2369a91bdb7710bb93b3fead SHA-256: a60328780ebbb423b01f69aba9342558590250ce35cf0da09bacd097cc6119d0
96 Risk Score

Malware Insights

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

The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. An embedded URL, https://jottigo.ru/strik?utm_term=jbl+flip+5+charger, was found, suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains references to 'Jbl flip 5 charger' and application metadata, indicating a lure to disguise the malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9954

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://jottigo.ru/strik?utm_term=jbl+flip+5+charger PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4422385/normal_5fcb240803fbf.pdfIn PDF document text
    • https://livaganomin.weebly.com/uploads/1/3/4/3/134399079/vupidokejol.pdfIn PDF document text
    • http://pejokepi.mywebcommunity.org/best_place_to_read_light_novels_online.pdfIn PDF document text
    • https://filavemegu.weebly.com/uploads/1/3/4/8/134883773/2807528.pdfIn PDF document text
    • https://sutowuvo.weebly.com/uploads/1/3/4/6/134685384/8447909.pdfIn PDF document text
    • https://bawovaleza.weebly.com/uploads/1/3/2/6/132683088/9c3a1c0446c640.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4404124/normal_5fc77051cd9b7.pdfIn PDF document text
    • http://simultaneously.space/how_do_you_get_a_lamborghini_in_gta_5_cheat_pcx9ai0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4372723/normal_6008f14088c28.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465538/normal_5ffa38eacc8ee.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405902/normal_601468b4ca729.pdfIn PDF document text
    • http://lnstagramverifiedsbadgesforms.com/2809601944wmoug.pdfIn PDF document text
    • http://xilatotes.sportsontheweb.net/27636932902.pdfIn PDF document text
    • http://trikolor.site/types_of_occupational_hazards76qgg.pdfIn PDF document text
    • https://putuxukive.weebly.com/uploads/1/3/1/3/131379249/99eb3b15a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378608/normal_5fe350a93ad3d.pdfIn PDF document text
    • http://tofotibuwul.sportsontheweb.net/percy_jackson_netflix_series_2020.pdfIn PDF document text
    • http://cosmosqrab.online/sozurovot1paph.pdfIn PDF document text
    • http://kubosikavudux.mygamesonline.org/81482011786.pdfIn PDF document text
    • http://mmmuuuue.space/hp_deskjet_970cxibwx9m.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477409/normal_5fced46a2971c.pdfIn PDF document text
    • http://xafesuvorolivig.scienceontheweb.net/30321462429.pdfIn PDF document text
    • http://nonowun.mywebcommunity.org/99650152755.pdfIn PDF document text
    • http://xegazinijitup.mywebcommunity.org/super_mario_land_3ds_cheats.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zuvuzevo.atwebpages.com/how_to_find_luxaire_furnace_model_number.pdfIn PDF document text
    • http://jisijuvod.myartsonline.com/2000_mitsubishi_eclipse_transmission_removal.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dd76.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD76 5352 bytes
SHA-256: 7021cccec9cb06ca26c46af162c0539bc4a25e3b75dd682e53214cc3f59dddfa
font_01_sfnt_off0000efac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFAC 11560 bytes
SHA-256: b186872b9a9755fa2b41bb30a48669d9f8cdc0b2d488436dea194f3a640256bc
font_02_sfnt_off00011545.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11545 16140 bytes
SHA-256: 5bfda07072dd2e1b0df7f1680a75ba616774ec51e1a09c257f000ba239241e1c

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