PDF malware analysis — malicious · be7457313cb0b031

MALICIOUS

PDF

84.6 KB Created: 2020-12-07 12:58:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: b740f6091464aa28eceaedd583adeeb9 SHA-1: 5e0896900cd7e35c4d9e646f6faf63f29ae76a7c SHA-256: be7457313cb0b0316d0273d4d858d2433d6a24707b5b238ffa5e3d18a366ea4b

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file is a PDF document that contains a large number of external links, many of which are designed to appear as legitimate search results or document downloads. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, suggesting a tactic to drive traffic to various sites. The ClamAV detection and ML classifier further support its malicious nature, likely for phishing or SEO spam.

Machine Learning

Nyx PDF Classifier malicious score 0.8955

Heuristics 4

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
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://trafffi.ru/aws?utm_term=duchess+of+malfi+pdf+with+line+numbers
- https://cdn-cms.f-static.net/uploads/4392867/normal_5f8f1cdc79608.pdf
- https://dofazodasi.weebly.com/uploads/1/3/0/8/130873943/4368256.pdf
- https://cdn-cms.f-static.net/uploads/4379359/normal_5fb9c960b716c.pdf
- https://cdn-cms.f-static.net/uploads/4390055/normal_5f90c89f09df0.pdf
- https://cdn-cms.f-static.net/uploads/4374024/normal_5fa0b78a2b422.pdf
- https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/zurefepetoz.pdf
- https://cdn-cms.f-static.net/uploads/4378846/normal_5f9599275c136.pdf
- https://static1.squarespace.com/static/5fc0ecedbf71053ccb1052a5/t/5fc45619bc819f1cf4630c81/1606702618877/33567811560.pdf
- https://uploads.strikinglycdn.com/files/f8cdbffd-24d2-44ee-b8f3-d382a33ead53/56107246065.pdf
- https://static1.squarespace.com/static/5fc4f5382bbd740658208855/t/5fc56f6fe18c5c478eb35f30/1606774643824/vadets_workbook_answers_module_1.pdf
- https://uploads.strikinglycdn.com/files/dc9709da-c8f5-48f7-9a98-0dc64e7b79d8/tixovosuw.pdf
- https://uploads.strikinglycdn.com/files/727cdc3a-e149-4d10-a9c7-69f29208da52/apartheid_in_south_africa_1948_1990_worksheet.pdf
- https://uploads.strikinglycdn.com/files/ce616ca9-c008-4bc1-8aba-87e935ede10e/booster_pac_es5000_manual.pdf
- https://s3.amazonaws.com/vunizi/deterexakanojozo.pdf
- https://s3.amazonaws.com/rimejiguvif/hyperbole_practice_worksheet.pdf
- https://uploads.strikinglycdn.com/files/0d2732c9-e86c-45a4-a8a8-164a4f6693e2/samsung_un40eh5300_40-inch_1080p_60hz_led_hdtv_2012_model.pdf
- https://static1.squarespace.com/static/5fc144361c8c7413143450ce/t/5fc29545e18c5c478e4fc49a/1606587717560/35732333472.pdf

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