Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed169f09bacfa255…

MALICIOUS

PDF

83.0 KB Created: 2021-01-23 15:35:50 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-03
MD5: 394b83e2d35ebd872ee7dcf92d6768c8 SHA-1: 59df536e0c6923362e0ba8a82f31c2d9927cfef8 SHA-256: ed169f09bacfa255069f85a55ae8c361930ae1f10489b557bd5306c5c3aa85d0
156 Risk Score

Malware Insights

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

The PDF contains numerous external links, a common tactic for phishing and SEO link farms. The 'ML_NYX_PDF_MALICIOUS' and 'CLAMAV_DETECTION' heuristics strongly indicate malicious intent, specifically identified as a phishing trojan. The document body, though partially corrupted, mentions 'Aviate launcher free', suggesting a lure to a potentially malicious download or service.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • 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://trafficel.ru/aws?utm_term=aviate+launcher+free PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4403560/normal_5feef33ae0319.pdfIn PDF document text
    • https://databuzub.weebly.com/uploads/1/3/4/3/134373368/tosetetovugux.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417805/normal_60068f864431f.pdfIn PDF document text
    • http://berozava.iblogger.org/skillet_comatose_album_zip.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4390381/normal_5fcaeb2f3fba2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368971/normal_6007fee40f52a.pdfIn PDF document text
    • https://site-1241800.mozfiles.com/files/1241800/cisco_anyconnect_vpn_free.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4372963/normal_5ff8579276b29.pdfIn PDF document text
    • https://tasufevijusenix.weebly.com/uploads/1/3/0/8/130814010/3719981.pdfIn PDF document text
    • https://rilitovewub.weebly.com/uploads/1/3/4/0/134095842/1eabf4b40.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://fepadegan.epizy.com/sisizajuzixilonati.pdfIn PDF document text
    • https://s3.amazonaws.com/zepifudoxapo/nomenclature_functional_groups.pdfIn PDF document text
    • https://s3.amazonaws.com/lefemijip/wordscapes_answers_level_7286.pdfIn PDF document text
    • http://dowupozor.epizy.com/19671967658.pdfIn PDF document text
    • https://s3.amazonaws.com/wusone/janatha_garage_dialogues_ringtones.pdfIn PDF document text
    • http://vudexejuvejutek.rf.gd/wiletokojuparuwomaso.pdfIn PDF document text
    • https://s3.amazonaws.com/sitozi/24284981245.pdfIn PDF document text
    • https://s3.amazonaws.com/lukepepe/c_template_array_class_example.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dcce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCCE 4612 bytes
SHA-256: 84de40ca91867cb484604d3cf653c7e71c7289e4aee6227d7000cd3a58ba2dee
font_01_sfnt_off0000ec6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC6D 16064 bytes
SHA-256: 96c951a3facdee1275c6b52a682aebb6c5d6d6b84535155f7b5bef96c948e990
font_02_sfnt_off000118bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x118BF 16328 bytes
SHA-256: 41ae02828e3a57013234407ec6d1c9fe7b6bab6246486ccf92715a0348e1ad76
font_03_sfnt_off00012e9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12E9C 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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