Malicious PDF — malware analysis report

Static analysis result for SHA-256 afe5a31525d01069…

MALICIOUS

PDF

77.6 KB Created: 2021-03-30 15:07:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8934fbc62205c092507dd3c956960444 SHA-1: d2ee257dd2f4ecb8f6b25e92fb393f5544c9a63a SHA-256: afe5a31525d01069094656f1b2faf090b7e76bf9f997f8f6c32486fa8ea14672
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains embedded URLs that redirect to external websites, likely for phishing or malware distribution. The PDF structure and embedded content suggest it is used as a lure, potentially disguised as a document related to 'localization strategy in international business'. No scripts were extracted, but the presence of external URIs points to a phishing or credential harvesting attack pattern.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://golowaki.ru/award?keyword=localization+strategy+in+international+business+pdf
    • http://nakekizedexu.getenjoyment.net/bangkok_map_with_tourist_spots.pdf
    • https://cdn.sqhk.co/fumamimed/Jhgicib/homeschooling_kindergarten_washington_state.pdf
    • http://itprod.space/49536715036cahkq.pdf
    • http://novubelugalij.medianewsonline.com/kipusuponubogolejebu.pdf
    • https://cdn.sqhk.co/fifotadog/6y37iiL/lalogabixotekarugiru.pdf
    • http://parrrtner.xyz/a_bug_s_life_imdb_parents_guidekm5uf.pdf
    • https://cdn.sqhk.co/jotepomi/hjidiiK/kukaxegozanumikoxuzupa.pdf
    • http://fb-ig-violation.com/zazemupidevx6qz9.pdf
    • https://cdn.sqhk.co/jofijoju/Jiidw2x/xulajiraginedikiwalozi.pdf
    • http://vukuradi.mygamesonline.org/73586041945.pdf
    • https://cdn.sqhk.co/buxifuludo/gj3jcib/dragon_city_mod_apk_download_unlimited_everything.pdf
    • https://cdn.sqhk.co/felinavaw/eUgjhgg/kejakazegipuvixemomedifos.pdf
    • http://kidufamipowanot.mywebcommunity.org/tezoradowes.pdf
    • https://cdn.sqhk.co/pigexebobe/eQhggev/tabupuxovujiperuruzel.pdf
    • http://tolumibawaka.iblogger.org/mepezitanemixuxanowewefub.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/91efd53c-5db3-441a-b09a-90bbb3c89d53/rakovukifepag.pdf
    • https://uploads.strikinglycdn.com/files/503727e8-fb8a-4986-b2fe-4f7748d3c168/lusufakerogapixibalememet.pdf
    • https://uploads.strikinglycdn.com/files/deea3756-e15d-4c32-8468-b003ca1dd56c/how_to_tune_in_panasonic_viera_tv.pdf
    • https://uploads.strikinglycdn.com/files/a421d8fe-7fd4-4c0d-8c2d-0f83346058e1/how_much_does_it_cost_to_replace_a_motorola_phone_screen.pdf
    • https://uploads.strikinglycdn.com/files/c12383ca-9bf8-4307-a7f1-159f7820756b/nasm_cpt_book_6th_edition.pdf
    • http://tewapixu.epizy.com/how_to_self_learn_math_reddit.pdf
    • http://sudemididesiz.epizy.com/jefuputu.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_off0000f23c.bin
e6441d1d4435b2c7689c96e1349df550ee7b8854678c6b74a10653889f8602dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF23C 5556 bytes
font_01_sfnt_off0001053c.bin
c62b2b9661e6d19dd98ed77cd89caed848f84cbf174610aad3596843badae917		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1053C 10412 bytes

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