PDF malware analysis — malicious · 7bc54de9dabe059f

MALICIOUS

PDF

57.3 KB Created: 2021-04-01 00:29:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23

MD5: a1f7edd87bfe3f36e05fb0b754a34c9b SHA-1: b66b7d2ba66f037453cf6ee88c51eb1e6219e48d SHA-256: 7bc54de9dabe059f813ea5564fed513a94fbcb6a7f6d4f6ab1c953ea84f4e6be

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file contains numerous external links, a common tactic for phishing or distributing further malware. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external links, with one pointing to a potentially malicious URL. The ClamAV detection and ML classifier further support its malicious nature. Although no scripts were explicitly extracted, the presence of embedded URLs and the overall structure suggest an attempt to redirect users to malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.7005

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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.
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://seumenha.ru/strik?utm_term=recoleccion+de+datos+estadisticos+matematica PDF link annotation
- http://giveaway2020.info/fikubikipilijowigine5wia7.pdfIn PDF document text
- http://makamar.xyz/tegisunudovekiletumev9cpaa.pdfIn PDF document text
- http://polfact.site/rizakovogovokuwenujolexogjyg39.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446494/normal_6062ae18cca16.pdfIn PDF document text
- http://faceit.su/93369675575x2xp0.pdfIn PDF document text
- http://juilopkiretlo.ru/what_is_restricted_cubic_splinejheep.pdfIn PDF document text
- http://auto-fishing-rods1.club/costco_food_court_nutrition_chart4qk7g.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389570/normal_5fd27e6db4e84.pdfIn PDF document text
- http://women-ita.space/linux_kernel_driver_development_bookmg13s.pdfIn PDF document text
- https://s3.amazonaws.com/jukezeluf/shutter_horror_movie_in_tamilrockers.pdfIn PDF document text
- https://s3.amazonaws.com/mudurixo/bulbul_film_songs.pdfIn PDF document text
- https://s3.amazonaws.com/gapivegek/xixebinisapitepoze.pdfIn PDF document text
- https://s3.amazonaws.com/sojebelevenex/51828853341.pdfIn PDF document text
- https://70fbc5f3-53e4-4072-9ff7-a5862d19847b.filesusr.com/ugd/bb3bf9_d695e59fc37e4c6783ee287b69fc4112.pdf?index=trueIn PDF document text
- https://5d9de69b-f80b-44d6-9c2d-9027806fef0b.filesusr.com/ugd/e26ad2_bd6c96464b8e4709acc0bee5629d14f9.pdf?index=trueIn PDF document text
- https://8dfd47f4-e591-4377-92a3-bdbf91d41e5a.filesusr.com/ugd/a58b01_defff3ff73d04b4ab582580945778e40.pdf?index=trueIn PDF document text
- https://f6e2a16f-d004-42cd-8f17-0463e090774c.filesusr.com/ugd/c70c35_dc59e3da1d424fd787d65ac6d8611c20.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/peveziwoguxuzam/income_statement_and_balance_sheet.pdfIn PDF document text
- https://2c549fd3-bbcc-4e43-aea5-84609313cfd4.filesusr.com/ugd/c162b3_cbe7881696144dad91574ecd672c09f7.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/futamo/megixuli.pdfIn PDF document text
- https://s3.amazonaws.com/bitajemisajoz/standard_block_letter_format_example.pdfIn PDF document text

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