Malicious PDF — malware analysis report

Static analysis result for SHA-256 f430153ffab60570…

MALICIOUS

PDF

80.8 KB Created: 2021-03-22 17:56:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: b3d7b24536f17566c4b58b79ac91abbd SHA-1: a042e4ae5cfa26dcbc9325fdaaf3647705d115cd SHA-256: f430153ffab60570a42b0b8395275d609245efc8c18d7ecba0b9be468106b40a
126 Risk Score

Malware Insights

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

The PDF contains numerous embedded URLs, many pointing to disposable domains, and is flagged by ML classifiers and ClamAV as malicious phishing content. The document body, though heavily obfuscated, appears to be a lure related to 'Scotch laminator troubleshooting', aiming to direct users to external sites. The presence of external URIs and link farm heuristics strongly suggests a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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 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://maypoin.ru/wix?keyword=scotch+laminator+tl901+troubleshooting PDF link annotation
    • http://xevazabavivan.22web.org/56722928509.pdfIn PDF document text
    • http://wotanute.22web.org/48289161191.pdfIn PDF document text
    • https://cdn.sqhk.co/vilonunufuk/iijiepU/merezaxe.pdfIn PDF document text
    • https://nuzefamulazoxiz.weebly.com/uploads/1/3/4/5/134582777/texaxakimur.pdfIn PDF document text
    • https://cdn.sqhk.co/vavetiset/ghhizif/blouse_neck_model_video.pdfIn PDF document text
    • https://xujopikaxatanow.weebly.com/uploads/1/3/4/8/134850499/zepexivigorit-xibumaxulodojiw-gagavorufuzuna.pdfIn PDF document text
    • http://lufesemi.iblogger.org/77425991546.pdfIn PDF document text
    • https://cdn.sqhk.co/rapawaferew/9qYLC1u/talking_ginger_man_in_eyes.pdfIn PDF document text
    • https://tosixugiza.weebly.com/uploads/1/3/6/0/136052785/74f1cc779de.pdfIn PDF document text
    • http://xelapelumu.iblogger.org/fanokeridifewopum.pdfIn PDF document text
    • https://kigazodiraju.weebly.com/uploads/1/3/4/6/134678535/08d8a776082fd.pdfIn PDF document text
    • https://cdn.sqhk.co/jijekabadox/njejeSu/basic_c_programming_book.pdfIn PDF document text
    • http://bovizanaranofo.22web.org/zodoxumabel.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://165abacb-5525-4e66-971c-c167d859e756.filesusr.com/ugd/f3f2a5_ab5cca1696334374b638c969e0c8f400.pdf?index=trueIn PDF document text
    • http://katogokusow.rf.gd/prisoner_b_3087_quotes_about_perseverance.pdfIn PDF document text
    • https://1ec9b6e7-17eb-4e1e-a994-ba5ce4cbdb7c.filesusr.com/ugd/d4a9d6_07625f752ce04782a4a9487a71b89a2e.pdf?index=trueIn PDF document text
    • https://f9c380c0-3c9a-404e-8c76-a924832b335c.filesusr.com/ugd/9c8fb9_4571a6fc59994f6ea9741a693e1d94c0.pdf?index=trueIn PDF document text
    • http://jawuguv.epizy.com/69381507664.pdfIn PDF document text
    • https://f4dd034e-00c7-465c-b850-fb2d75accad5.filesusr.com/ugd/769f78_6b5e879d4ed14515a0661b6b15f348f0.pdf?index=trueIn PDF document text
    • https://72858ab8-d36f-4bc2-b208-e5ec56e76d01.filesusr.com/ugd/3a4e0e_2be843f1a44e4c2687def437e80e676b.pdf?index=trueIn 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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fae8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFAE8 5808 bytes
SHA-256: b35a68c5853f0342052059ac618627a1c11c93009b6922e6e021f01aca7a862c
font_01_sfnt_off00010e7f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E7F 11196 bytes
SHA-256: 515ef44d111e57e58c54034ae397934feb5e7069034b939a4565100658f7bfd4

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