Malicious PDF — malware analysis report

Static analysis result for SHA-256 012d80fa9516168c…

MALICIOUS

PDF

87.5 KB Created: 2021-03-24 02:35:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9b0bdde5e04d7fec97d6013b084963f3 SHA-1: 9a62c74cc28067f27a9959920bc652090dbc199a SHA-256: 012d80fa9516168cc9492eba57d0c0d77aa2ee8451bd6d71b6354b3ea607ed94
156 Risk Score

Malware Insights

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

This PDF document contains a large number of external links, many of which point to other PDF files hosted on Weebly and other platforms. The primary external URI, 'https://dugedepap.ru/strik?utm_term=how+to+sync+harman+kardon+onyx+studio+3', suggests a phishing or scam attempt disguised as a search result. The ClamAV detection and ML classifier further indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://dugedepap.ru/strik?utm_term=how+to+sync+harman+kardon+onyx+studio+3
    • https://pedagojewixa.weebly.com/uploads/1/3/1/3/131398360/dulegetifigawutusa.pdf
    • https://notovozeje.weebly.com/uploads/1/3/1/3/131379031/tagegu_susitixonit.pdf
    • https://static.s123-cdn-static.com/uploads/4448345/normal_60036faf0cbbf.pdf
    • https://larigagip.weebly.com/uploads/1/3/4/8/134887586/e45ff20a5de0.pdf
    • https://cdn.sqhk.co/dewobube/hiN9hfD/hamster_life_mod_apk.pdf
    • https://zenavepofiwu.weebly.com/uploads/1/3/1/6/131607810/bilebu_mapolebu.pdf
    • https://cdn-cms.f-static.net/uploads/4464850/normal_5fe84e58e6f63.pdf
    • https://rozinezo.weebly.com/uploads/1/3/1/6/131636990/jixiratidax.pdf
    • https://vuxuminitemup.weebly.com/uploads/1/3/0/8/130874085/balasine.pdf
    • https://cdn.sqhk.co/ratufewebu/gQLrhbo/pewakelevatuj.pdf
    • https://lajanasana.weebly.com/uploads/1/3/4/3/134368101/a9f1e193.pdf
    • https://watuluvijigu.weebly.com/uploads/1/3/3/9/133997483/b20486756fc.pdf
    • https://fomemavinujidi.weebly.com/uploads/1/3/1/4/131414297/jevebonopemele_nogivonesunula_zajuzu.pdf
    • https://cdn.sqhk.co/sinemajud/ghzjc3K/ibps_clerk_syllabus_2018-_19.pdf
    • https://jamofidomub.weebly.com/uploads/1/3/1/3/131398059/nesepos_tireb_wapazerejup.pdf
    • https://static.s123-cdn-static.com/uploads/4386824/normal_5ff506e41aa17.pdf
    • https://cdn.sqhk.co/bapuparit/jeicggW/conquest_of_bread_pages.pdf
    • https://cdn.sqhk.co/wezupobuwab/gFgetCG/ultimate_car_driving_simulator_hack_apk_unlimited_money.pdf
    • https://static.s123-cdn-static.com/uploads/4417806/normal_5fcee3e20a831.pdf
    • https://cdn.sqhk.co/sodovokak/qW6khfE/dilemolovumigitopojux.pdf
    • https://ranemexamegen.weebly.com/uploads/1/3/4/4/134440137/6224740.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • 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_off0001152b.bin
05ec4d6da738ec97703d82f045efa9cee74588d86c2abc7a4f20c7c493c4a8b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1152B 5600 bytes
font_01_sfnt_off00012821.bin
d42aa710e7cf172bbe8c81e54b7ed7c04cf483bd4edbb492fc117076a924e2a8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12821 11864 bytes

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