Malicious PDF — malware analysis report

Static analysis result for SHA-256 60be97f6a5826c0e…

MALICIOUS

PDF

81.4 KB Created: 2021-03-19 05:42:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c7f15cc8b7e9c681e1b7dc90ea4bf9d9 SHA-1: 6e345c676ffc527db2b706024b7177b2247eb22d SHA-256: 60be97f6a5826c0eeb5350a0a2752cc3ef3611217c825a02b886095d4dbdb0a8
126 Risk Score

Malware Insights

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

The PDF contains numerous links to disposable hosting, masquerading as a student loan application form, which is a common phishing lure. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://xezojetit.ru/123?utm_term=absa+student+loan+application+form+pdf
    • https://cdn.sqhk.co/ruvuwoki/ihgjfhc/fusatifitoxulajat.pdf
    • http://gaxesujite.medianewsonline.com/shatter_me.pdf
    • http://rejemezurufoveg.mywebcommunity.org/sherlock_holmes_short_stories_sir_arthur_conan_doyle_espaol.pdf
    • http://hamsterbig.com/gowibavabixewepememiwuxox6c9t.pdf
    • https://cdn.sqhk.co/kisesawaropo/cgdja8P/zombie_road_killer_hack_apk_download.pdf
    • https://cdn.sqhk.co/ripudilibizo/WhidwSc/ghost_box_ios_app.pdf
    • https://badakawage.weebly.com/uploads/1/3/0/9/130969543/lijojalovu.pdf
    • http://pushbiz.fun/buxenipapibifuluzuwunumaggz8en.pdf
    • https://cdn.sqhk.co/jagibuvat/ibgiDku/42155968354.pdf
    • http://se-mrush.com/keeper_password_manager_free_trialueh9b.pdf
    • https://dexatasudawuge.weebly.com/uploads/1/3/4/4/134477966/7f50853d1ab.pdf
    • http://nopotaz.medianewsonline.com/23834051181.pdf
    • http://jesibijifinuz.mywebcommunity.org/asepsia_y_antisepsia.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/befafuni/18680681342.pdf
    • https://6c036dbd-b327-4678-b778-de8a2ee7bb50.filesusr.com/ugd/ed64d2_ae29f82bb813429186b5c47452ead81a.pdf?index=true
    • https://s3.amazonaws.com/wixanarer/piano_song_fur_elise.pdf
    • https://s3.amazonaws.com/muwemivumazulax/what_is_the_best_electric_pokemon_in_emerald.pdf
    • https://77bac38d-831a-46d6-8f22-d7743fcadc58.filesusr.com/ugd/5b9a87_c2c3e2f1d0824acdb2b6291f1a37499c.pdf?index=true
    • https://b5c4f4dd-ae1f-4f6a-908c-f463551224e4.filesusr.com/ugd/dafd60_02efb46253a448b181cf258502e68062.pdf?index=true
    • http://lawaxisagiwog.atwebpages.com/naxaruvonujoxesodabexem.pdf
    • https://e432c3f7-acc0-403b-bc7f-1b8c16782643.filesusr.com/ugd/6a4899_960b798445634368bdbf9a329eb33848.pdf?index=true
    • https://1ac5d900-0c69-4f12-8b1d-4e209472b8d2.filesusr.com/ugd/828753_9583b4a841584dd7b9c51e0cb1b7b2e5.pdf?index=true
    • https://s3.amazonaws.com/zesixefe/junexorikavofipologoxosi.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_off0000ff37.bin
e6e52f0ef673f107c825f92ea836bef63f100e0a6d4cd03ea3ffbfb2dc947b11		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFF37 5432 bytes
font_01_sfnt_off00011195.bin
ffe0b12098ca6d91fadbeb0fca0b88bef9622698eaebff507be6813eea734dc6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11195 11428 bytes

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