PDF malware analysis — malicious · 55e7e618bc4526a4

MALICIOUS

PDF

52.6 KB Created: 2021-01-07 20:51:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 247861f5a2a33fc0ce25fc38cfd725ef SHA-1: aec1726cf0b1f3eddacb91ea11c7315adffc2352 SHA-256: 55e7e618bc4526a4dab3707b37c7d9292c92be7834136ad6b12d684a8822a781

232 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF is designed as a phishing lure, masquerading as 'action words worksheets pdf'. It contains numerous links, with a critical finding being a link to known malicious redirector infrastructure at 'ggtraff.ru'. The document's structure and the presence of multiple external links suggest an attempt to lead the user to malicious content, likely for credential harvesting or further malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.7151

Heuristics 5

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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 52 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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://ggtraff.ru/aws?utm_term=action+words+worksheets+pdf
- https://cdn.sqhk.co/wepenujofow/phhl7oH/heart_rate_monitor_app_free_download.pdf
- https://zujomesesewega.weebly.com/uploads/1/3/4/9/134902804/a43eda3920a61e.pdf
- https://vugiwaxe.weebly.com/uploads/1/3/4/7/134739196/nobexusevodafosar.pdf
- https://zokilare.weebly.com/uploads/1/3/4/7/134767859/1066941.pdf
- https://dedidolijara.weebly.com/uploads/1/3/4/6/134666782/9632422.pdf
- https://uploads.strikinglycdn.com/files/e5b61cd2-d55b-41d7-a323-98c238a13b15/24491381559.pdf
- https://uploads.strikinglycdn.com/files/f606eba7-8a7e-4586-a9f3-5bde69107332/non-renewal_of_lease_letter_to_tenant.pdf
- https://s3.amazonaws.com/zuvovoxigumuz/bavesajaxogelopotoni.pdf
- https://uploads.strikinglycdn.com/files/ba6dff5d-6d23-4e1c-b51c-d152b116f49b/zifeteliwo.pdf
- https://s3.amazonaws.com/mipizaju/29584433208.pdf
- https://s3.amazonaws.com/sorapobuk/defeminutexobivu.pdf
- https://s3.amazonaws.com/nazekisigiduz/noxugotoxekinujidor.pdf
- https://s3.amazonaws.com/dibedamoka/powegekafuwuguripe.pdf
- https://uploads.strikinglycdn.com/files/370c78d1-4e0e-4f9e-a896-4c33f57d5a3d/what_she_left_behind.pdf
- https://s3.amazonaws.com/lazolu/tales.pdf

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