Malicious PDF — malware analysis report

Static analysis result for SHA-256 f2182abc06b4c8c6…

MALICIOUS

PDF

67.8 KB Created: 2021-09-17 08:29:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: 5f1fbeac8d3e6f85fe87ff0b450c1df0 SHA-1: 4ba6c49c385693f7e6bf90416ea3a0d91b8e3a1f SHA-256: f2182abc06b4c8c653fc811b57667163d82df6aa84fda4049b337b6ebf276b30
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link farm with SEO-optimized keywords, suggesting a phishing or malware distribution attempt. The presence of multiple URLs pointing to disposable hosting and compromised CMS uploads indicates a deliberate effort to obscure the final destination and evade detection. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious nature of this file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9158

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
  • 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
  • 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://wastran.ru/uplcv?utm_term=shadow+fight+2+titan+mod+hack PDF link annotation
    • http://thermogroup.ru/uploads/files/xapamemoditonubegod.pdfIn PDF document text
    • https://zilalcooling.com/other_files/File/wijajewimege.pdfIn PDF document text
    • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/8e98b4b108ff421331eee6443c8e600a/xujaximevevitopixakejod.pdfIn PDF document text
    • https://digicpictures.com/downloads/mijolaxa.pdfIn PDF document text
    • https://alice-immo.com/userfiles/file/jepufapilenezesulilupej.pdfIn PDF document text
    • https://textosl.com/upload/editor/file/55503675631.pdfIn PDF document text
    • https://dadrarad.ro/userfiles/file/radod.pdfIn PDF document text
    • https://stephankeppel.com/userfiles/file/doliwu.pdfIn PDF document text
    • http://klm-co.ru/foto/ck/files/34316246630.pdfIn PDF document text
    • https://cqc-material.com/app/webroot/userfiles/files/dekapezeveja.pdfIn PDF document text
    • http://ewtch.com/upload/files/mufiwutaroxa.pdfIn PDF document text
    • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/5c2ce6aa481328e62766c606b2625278/sizunikuzewukakowafaf.pdfIn PDF document text
    • http://seanmore.com/userData/board/file/mumebufebep.pdfIn PDF document text
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613965400f24c---12703073561.pdfIn PDF document text
    • https://ariaparvaz.com/basefile/ariaparvazcom/files/67084704874.pdfIn PDF document text
    • http://ondamarinarest.com/upload/files/26392178258.pdfIn PDF document text
    • https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/78497858301.pdfIn PDF document text
    • https://rpaxis.net/userfiles/file/8718747985.pdfIn PDF document text
    • http://mtsp.by/userfiles/files/wixojanumibozunoredo.pdfIn PDF document text
    • http://dabaizhongxue.com/upload_fck/file/2021-9-1/20210901213441585942.pdfIn PDF document text
    • http://artemon.nl/userfiles/file/82864909071.pdfIn PDF document text
    • http://brilliantsolarpaneling.com/userfiles/file/pasesovopibowuzogotaze.pdfIn PDF document text
    • http://czyxchem.com/upload/files/zuxetoviwipomuwomaxuna.pdfIn PDF document text
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dd0c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD0C 17124 bytes
SHA-256: 43651f35c218344069c2c454ae18a58c65a5aff29cd909e908a3b248603cbd7e

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