PDF malware analysis — malicious · 11bb2f8e8ad8f484

MALICIOUS

PDF

15.6 KB Created: 2020-10-26 15:31:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 567a44feffbf58fe11b63ab19ee565c4 SHA-1: 2ad9054f228a28102d907bc7f1f2454bdbb523fb SHA-256: 11bb2f8e8ad8f484d31e1ea7335687c464ef3041d4f2bc496b325d2b238f62ad

172 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF is an image-only lure, typical of phishing, containing a clickable link that redirects to known malicious infrastructure. The document body is heavily obfuscated and contains embedded URLs, suggesting an attempt to disguise malicious content. The ML classifier also strongly indicated maliciousness.

Machine Learning

Nyx PDF Classifier malicious score 0.9973

Heuristics 4

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.
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 15 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://cctraff.ru/aws?keyword=appsc+group+1+syllabus+2016+pdf
- https://bavejojonosepes.weebly.com/uploads/1/3/1/3/131380601/xeposo.pdf
- https://rebabamebuno.weebly.com/uploads/1/3/4/3/134355200/55d64c288c8b0b7.pdf
- https://sepikupi.weebly.com/uploads/1/3/0/7/130738949/xexiwakadep.pdf
- https://zinikedefi.weebly.com/uploads/1/3/0/7/130740178/vosimu-redibelefavepu-nufid-tixugikigupiv.pdf
- https://givifajilodox.weebly.com/uploads/1/3/0/8/130874655/96a325964f37b.pdf
- https://papokerudinex.weebly.com/uploads/1/3/4/3/134310480/digakev_fadeniraxa.pdf
- https://uploads.strikinglycdn.com/files/cce7f850-45ec-43ed-aed9-969fedd69be7/10141155025.pdf
- https://uploads.strikinglycdn.com/files/3f0085fe-abd6-4c2f-8a8c-b9c602879ab0/siwadeko.pdf
- https://uploads.strikinglycdn.com/files/993d1c76-ce0d-4aee-87bb-262c55a9e528/kapuzipagomivuxuteleson.pdf
- https://uploads.strikinglycdn.com/files/d2c37df4-e694-48f0-8d7a-345965fe7468/dalebagukexu.pdf
- https://uploads.strikinglycdn.com/files/ad28a832-09fc-4fc6-9300-55cbaab5daee/dodup.pdf
- https://uploads.strikinglycdn.com/files/f4337588-6b6e-4862-85c7-56c69fbf2bba/puxegijaripavopilo.pdf
- https://cdn.shopify.com/s/files/1/0435/8999/2605/files/57343774191.pdf
- https://cdn.shopify.com/s/files/1/0483/5849/0275/files/40738668173.pdf
- https://cdn.shopify.com/s/files/1/0460/6951/4404/files/hitachi_c8fb2_manual.pdf
- https://uploads.strikinglycdn.com/files/06734211-6a90-4e9d-9b61-7e8b4ab0b376/15828899814.pdf
- https://uploads.strikinglycdn.com/files/0a5922ff-9db5-4e55-a359-2353973018e7/borogubu.pdf
- https://uploads.strikinglycdn.com/files/9c00f3b6-6481-4752-a684-778e1aa4e208/retedu.pdf
- https://uploads.strikinglycdn.com/files/7f1f4fb7-5345-4bcc-bc14-7a6c4b115223/40493411012.pdf
- https://uploads.strikinglycdn.com/files/3e6c9d2b-6f8d-4d18-98dc-72ae10cfb6e0/46417582092.pdf

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