Malicious PDF — malware analysis report

Static analysis result for SHA-256 abfbde96749a3ff4…

MALICIOUS

PDF

41.8 KB Created: 2021-09-30 17:29:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 1bd7099b82b59bd056cdee7adacc37d1 SHA-1: 758241287f581e2a085792e6bb9342f0ef760058 SHA-256: abfbde96749a3ff4eed6a34b0df7a7d52f376aabf308d1b3002d8edea4f5c425
174 Risk Score

Malware Insights

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

The PDF is identified as a phishing lure due to its image-heavy nature and embedded clickable links. Heuristics indicate it functions as a link farm, directing users to various domains, some of which are compromised WordPress uploads. The primary goal appears to be redirecting users to malicious content or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7020

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 41 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://catequesisnavarra.org/guiarte_userfiles/files/13572510365.pdf
    • http://xn--dlek-5qa.com/admin/UserFiles/file/lemimenasegomeje.pdf
    • https://silverbirdmarketing.com/pages/images/file/15409216854.pdf
    • http://prosquash.by/data/7063614470.pdf
    • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16140f06cafbdb---26186580817.pdf
    • http://shepardinteriordesign.com/rw/upload/file/busopi.pdf
    • http://bouwbedrijfbouwheer.nl/userfiles/file/lividitoxafevosofijub.pdf
    • https://gdaniec.com/upload/files/lexujokuvaxip.pdf
    • http://sangjeom.com/userfiles/file///lesawagasuziruv.pdf
    • http://sgyscom.com/upload_fck/file/2021-9-12/20210912132334464231.pdf
    • http://www.naturhalles.fr/fckeditor/userfiles/file/36598533931.pdf
    • http://i-p-p-c.com/ckfinder/userfiles/files/10250693594.pdf
    • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/185e776f13addd3f7521d5c02e54e950/gokelapimixadaxewalagi.pdf
    • http://2sisaccount.com/userfiles/files/95643907203.pdf
    • https://dutchfansitenetwork.nl/ckfinder/userfiles/files/11463163686.pdf
    • https://promoxcenter.ro/ckfinder/userfiles/files/megemijawexanupoti.pdf
    • http://szjg.hu/images/file/zimanagezilugugesazamiran.pdf
    • https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/16137c2ed5120f---mobikamanalaj.pdf
    • https://umartravel.com/files/rumitebanigoduxebikumuw.pdf
    • https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/vasobuxirajoboteravo.pdf
    • http://uat2.hkha.com.hk/ckfinder/userfiles/files/xokekosezomuxavof.pdf
    • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/a98976a9f6c7150fe65f3316e3945927/nukobu.pdf
    • https://venusnvs.com/userfiles/file/pazepuxapepumimusej.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=naruto+slugfest+x+download

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