Malicious PDF — malware analysis report

Static analysis result for SHA-256 2003e70765a8eabe…

MALICIOUS

PDF

58.2 KB Created: 2021-07-08 00:08:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-23
MD5: 10abdf5e0f5b11f01d7f3a1346a16a3d SHA-1: 024bfd1d92d858662fffcc3f358f9a93f3670f57 SHA-256: 2003e70765a8eabe4facaa5d91e41a6f7965ee285af6481a75abccb05c19bf0e
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan-like behavior. It functions as a link farm, with numerous embedded URLs pointing to other PDF files hosted on compromised websites or disposable domains. The primary purpose appears to be directing users to malicious content, potentially for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5046

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://n95america.com/wp-content/plugins/super-forms/uploads/php/files/05407e7b4f2b10db5ee9934711d54d1a/34764404591.pdf In PDF document text
    • https://f27szerviz.hu/upload/files/wabipuje.pdfIn PDF document text
    • https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/f6e1suefhk2va55d4i2vinram1/26568239051.pdfIn PDF document text
    • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe6dca7523---naxubisovizopuwedezetobel.pdfIn PDF document text
    • http://u15.ch/ckfinder/userfiles/files/mamuvo.pdfIn PDF document text
    • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b91e4e354bc31ed97e37a1af3104c632/77419368024.pdfIn PDF document text
    • http://northphoenixmustangs66.com/clients/4/4b/4b49b54eec06ebba3741256e9f3e6f2b/File/25750279921.pdfIn PDF document text
    • http://asea-admin.com/_userfiles/file/20210526034537.pdfIn PDF document text
    • http://rainbowcaterers.in/userfiles/file/jikeperufojukawipiroxo.pdfIn PDF document text
    • http://allasclub.com/campannas/file/kawej.pdfIn PDF document text
    • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd153b0783---38805917242.pdfIn PDF document text
    • https://premium-house.uz/images/file/44898671415.pdfIn PDF document text
    • https://nmcs.ca/userfiles/files/zimagikelakage.pdfIn PDF document text
    • http://yogathoitrang.com/quangbasanpham/app/webroot/upload/image/files/mekigalugamapumafu.pdfIn PDF document text
    • https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a2e018128---xejexutolojopidiputireno.pdfIn PDF document text
    • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/16cafeb72264a4712ccf42a5699e70a0/56916964602.pdfIn PDF document text
    • https://gs-hemeringen.de/ablage/userfiles/files/1655075175.pdfIn PDF document text
    • http://coffee33.ru/archive/file/bevarulajixodo.pdfIn PDF document text
    • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/47d5dae7ba8eb4c503bd8643a1e84f0b/33785490785.pdfIn PDF document text
    • http://talleresjpg.es/img/file/77136566513.pdfIn PDF document text
    • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160888c7591249---62454405657.pdfIn PDF document text
    • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/186bc74975b0a8691a34c3abefc38124/33934461710.pdfIn PDF document text
    • http://doggystylzgrooming.com/admin/photos/file/giruwumivonesewiwe.pdfIn PDF document text
    • https://clic-essc.ch/ck/ckfinder/userfiles/files/78965990631.pdfIn PDF document text
    • http://ibconsulting.it/userfiles/files/846900811.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=pokemon+fire+red+game+download+for+androidPDF link annotation

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