Malicious PDF — malware analysis report

Static analysis result for SHA-256 14080da4f6ce75f0…

MALICIOUS

PDF

75.8 KB Created: 2021-07-01 14:52:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-22
MD5: 38db4987ce9eeb1923e7cf10a8741b04 SHA-1: 03df98d0f35943397b0b73712d205d9deff43878 SHA-256: 14080da4f6ce75f02a72e2d37272c865552369777bbfcc3d342d78e99939fd8f
156 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to compromised websites and disposable domains. These links likely serve to lure users into phishing scams or download further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9953

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://garglob.ru/uplcv?utm_term=things+to+say+about+yourself+in+a+job+interview PDF link annotation
    • http://baigeleather.com/userfiles/file/3687697082.pdfIn PDF document text
    • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/av7lng3fvb9spl35qps1sj7tb0/68098268180.pdfIn PDF document text
    • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c0f0b1728---tozazewapuw.pdfIn PDF document text
    • http://namngonviet.vn/user-/files/84874347013.pdfIn PDF document text
    • http://joy05.com/_UploadFile/Images/file/92046503253.pdfIn PDF document text
    • https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/cdea975d011ac58d7314149d48316d2c/47359795024.pdfIn PDF document text
    • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/c225ab845634e3985ba0cdf4a88ac468/laxadakulelusobo.pdfIn PDF document text
    • http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160702926805c9---20965271868.pdfIn PDF document text
    • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16084eb6c10fe4---63661138579.pdfIn PDF document text
    • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/a938b0fe0a64fa2767af9c9f4f8da4a3/sasusakovajum.pdfIn PDF document text
    • https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/cc52cc5c833c3814f0aa77eb50c6084a/pudelobavo.pdfIn PDF document text
    • https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/b9a7aa9f4999071b14e87eefb1f2b50e/68445741927.pdfIn PDF document text
    • https://kisikana.hr/userfiles/file/xatimotiw.pdfIn PDF document text
    • http://texmet.pl/userimages/file/57845007580.pdfIn PDF document text
    • https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/8aqrtcp3vc9gd68hvbm34f2gg7/10010037500.pdfIn PDF document text
    • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/f8409f8274fe39c5a6dd3e405868a3f6/20638926480.pdfIn PDF document text
    • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090bc9fc0abf---tidorulakexokejiroxiduz.pdfIn PDF document text
    • http://alexanderjamesbackcatalogue.com/userfiles/file/tizuziworodenivega.pdfIn PDF document text
    • https://stijsr.com/userfiles/file/66059313220.pdfIn PDF document text
    • http://amandamaitland.com/images/file/miforavasorezix.pdfIn PDF document text
    • http://bizbecho.com/pa/trainstation/uploads/image/file/lidizufepin.pdfIn PDF document text
    • https://ewastexperts.com/userfiles/files/babosojakogim.pdfIn PDF document text
    • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/94194321b683397e5aa4241e6dc6956b/tekafototodirebofupuzaxa.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c64a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC64A 11092 bytes
SHA-256: b69acdc96b9c7007577594d90211e191d46410c95a1d4e8e98b1ddc5de7eda40
font_01_sfnt_off0000e024.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE024 16232 bytes
SHA-256: 1bd97e652e8d01808347d86b20a1a34a04fb6d7d487e96c747afb0919ce66b1c
font_02_sfnt_off00010997.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10997 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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