Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ecd5581017e768d…

MALICIOUS

PDF

109.6 KB Created: 2021-03-15 17:18:54 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 59a76f2e3aa2ae616f44cac6af18203c SHA-1: 99239cb24a93e6c45674fbc0c9dcd86d8621993b SHA-256: 0ecd5581017e768d1ccaf29d6abfbed956eb0c8bc7eafd92c7c3d5212119b1d7
156 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ClamAV and ML classifiers, indicating a phishing or malware distribution attempt. It contains a large number of external links, many pointing to PDF files hosted on various platforms, suggesting a link farm or redirection mechanism. The document body, though heavily obfuscated, appears to be a lure related to a Sony home theater manual, likely intended to trick users into clicking the embedded malicious URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9988

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-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://baarspo.ru/strik?utm_term=teatro+en+casa+sony+dav-tz140+manual
    • https://cdn-cms.f-static.net/uploads/4457272/normal_6035bf4c47334.pdf
    • http://saduzemed.mypressonline.com/ponaremomotuwin.pdf
    • https://nugubigu.weebly.com/uploads/1/3/5/3/135323865/1923587.pdf
    • https://cdn-cms.f-static.net/uploads/4449192/normal_5fe9894332471.pdf
    • https://static.s123-cdn-static.com/uploads/4408002/normal_60015b06b2243.pdf
    • http://sonoxusa.iblogger.org/20052419368.pdf
    • https://velalozelo.weebly.com/uploads/1/3/4/4/134498802/c693b395.pdf
    • https://buparemekixa.weebly.com/uploads/1/3/0/7/130739227/livunudoxebefo.pdf
    • https://cdn-cms.f-static.net/uploads/4455376/normal_602f7e097b7ca.pdf
    • https://static.s123-cdn-static.com/uploads/4456399/normal_5ffac482b1e5f.pdf
    • http://bomaduworofa.medianewsonline.com/where_can_i_donate_gently_used_toys.pdf
    • http://vurejowug.mypressonline.com/wolexeseg.pdf
    • https://dogenirifalalu.weebly.com/uploads/1/3/0/7/130775866/7886240.pdf
    • https://lajawirefif.weebly.com/uploads/1/3/4/8/134869340/1616759.pdf
    • http://javaxirivibewi.mygamesonline.org/4020644938.pdf
    • https://cdn-cms.f-static.net/uploads/4366402/normal_60461ced19a56.pdf
    • https://cdn-cms.f-static.net/uploads/4374532/normal_60351b10ec6ff.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://scripts.sil.orgThis
    • http://www.fontrix.comhttp://www.nhncorp.com
    • http://rogofideb.onlinewebshop.net/6759981138.pdf
    • http://tafinefonekon.rf.gd/59372523190.pdf
    • http://rizibapuzaduxe.epizy.com/81921948369.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
    • http://scripts.sil.org/
    • http://scripts.sil.org/OFLAbyssinica

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001208e.bin
f8e7e63e582dbe33cde338a17d80df6e3fecd43bf09a2c7b264a91c2ef534fdd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1208E 5560 bytes
font_01_sfnt_off00013381.bin
ff2d71ff080a12f3531f517366cbcf49a10fa6e15b080fb78d861bda1c409969		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13381 21020 bytes
font_02_sfnt_off000153b2.bin
f131442e9e0b013151f74a2ab42f3df501974b5a63a57aa71a1cd5ac5fae50e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x153B2 2724 bytes
font_03_sfnt_off00015f38.bin
ba29564e385af9708bad5ac5f4e171a9423a7c848cbe97513e8bbad7f63eff71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15F38 11620 bytes
font_04_sfnt_off0001867b.bin
29c77e7b0f3bfc1060c8bca60cb68c7b9ef2f30d83592b4428db6ae5c0223496		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1867B 13252 bytes

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