Malicious PDF — malware analysis report

Static analysis result for SHA-256 1cafbae58e5f13aa…

MALICIOUS

PDF

85.2 KB Created: 2021-03-23 19:31:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5be8cf8ec5ee70620e654f2be891101d SHA-1: d26d73399de342576ac4accde0c455554b7ef737 SHA-256: 1cafbae58e5f13aa9e8dc812150c028ee80479baad1b6f0d90934637c7a085d0
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 a machine learning classifier indicated a high probability of maliciousness. It contains an external URI pointing to a suspicious domain, likely used to deliver a malicious payload disguised as a business intelligence document. No scripts were extracted, but the presence of external URLs and the detection verdicts suggest a phishing or trojan delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9970

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://midufefew.ru/award?keyword=business+intelligence+and+data+analytics+pdf
    • https://cdn.sqhk.co/viwiratoposu/3iegdji/famijegutajeveto.pdf
    • https://xotomunekezej.weebly.com/uploads/1/3/1/0/131070571/mizapixatu.pdf
    • https://xekijepomi.weebly.com/uploads/1/3/4/5/134508866/zugojutitujefezivesa.pdf
    • http://frontend-developer-azaynullin.site/infinix_note_7_price_in_bangladesh_6_1288skle.pdf
    • https://tevupiju.weebly.com/uploads/1/3/4/8/134865653/nozufawokevemovixodu.pdf
    • http://kurametugugu.mygamesonline.org/bajaj_allianz_future_gain_brochure.pdf
    • https://cdn.sqhk.co/lebudawojafi/gCZNmVl/ninaxodarujinugonotu.pdf
    • http://zomolejefej.mywebcommunity.org/apple_inc_annual_report_2020.pdf
    • http://palubofapejuraw.mywebcommunity.org/indian_instant_pot_cookbook_free_download.pdf
    • https://cdn.sqhk.co/madufuxenuw/lVggD0Z/ludazuwoladeragokoda.pdf
    • http://kiritisivasol.mywebcommunity.org/lesubimoka.pdf
    • https://bupulaserora.weebly.com/uploads/1/3/1/4/131437689/8497e1.pdf
    • http://wimesuzajomos.mypressonline.com/angiospermas_monocotiledoneas_y_dicotiledoneas.pdf
    • http://gomijexa.mywebcommunity.org/questions_asked_in_interview_for_mechanical_engineer_freshers.pdf
    • http://sandwichhq.club/gokobikaden35v7s.pdf
    • https://firupafawaxif.weebly.com/uploads/1/3/4/1/134109114/kigovazaviselixeli.pdf
    • http://8gusevshop.space/97715270739v40y9.pdf
    • http://bestita.space/ps_vita_emulator_android_apk_downloadjpl28.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/divelatoxa/answer_key_family_and_friends_4.pdf
    • http://gizixaxeviduf.myartsonline.com/oceanography_an_invitation_to_marine_science_9th_edition_download.pdf
    • https://s3.amazonaws.com/dewazewokib/sanpera_1_problems.pdf
    • https://s3.amazonaws.com/kefodek/game_killer_net.pdf
    • http://nubirumoxid.onlinewebshop.net/38568360439.pdf
    • https://s3.amazonaws.com/wiremeresegikon/najegelasoz.pdf
    • https://s3.amazonaws.com/zedilegol/10376420561.pdf
    • http://vefodipox.myartsonline.com/73367432879.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_off00010cf0.bin
d109f0959381fb2f207d78bf3fd4065ca35e45cba8b5fb16319b778783c53bce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10CF0 5376 bytes
font_01_sfnt_off00011f63.bin
64dc6308dff4898c02b3e2d0d65cf9cf9e046dcc1d22cd1eebd4ec3a6545e50a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11F63 11084 bytes

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