PDF malware analysis — malicious · ca6ea49e5048bb58

MALICIOUS

PDF

66.8 KB Created: 2021-03-18 07:21:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 84ad456cb79f7d2f294d425e6fd68a84 SHA-1: 9adcde779e801d9ce54f95e409e860bfede68ac4 SHA-256: ca6ea49e5048bb58d79af8dd51c9bb119891f478798744154696d577075780cb

144 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its small size, image-heavy content, and embedded clickable links. Heuristics indicate it's a link farm on disposable hosting, suggesting a campaign to distribute malicious content or phish for credentials. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest an attempt to redirect the user to a malicious site.

Machine Learning

Nyx PDF Classifier malicious score 0.5247

Heuristics 5

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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 66 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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://maypoin.ru/award?keyword=anti+ragging+form+pdf
- http://mexicotop.xyz/olympus_evolt_e-500_user_manuallde44.pdf
- http://blaugrana.ru/tavizesiwawhagnv.pdf
- http://volosaty100.xyz/tejinofgyiq2.pdf
- https://cdn-cms.f-static.net/uploads/4503533/normal_600c98fd23622.pdf
- http://zonerokemub.getenjoyment.net/celestron_nexstar_6se_telescope_for_sale.pdf
- http://bumululoru.mywebcommunity.org/solving_two_step_equations_with_algebra_tiles_worksheet.pdf
- http://garant-ritual.online/95447087568p1m3d.pdf
- https://static.s123-cdn-static.com/uploads/4374976/normal_60028347362c9.pdf
- http://bewewafip.scienceontheweb.net/the_killing_joke_ending_batgirl.pdf
- http://wabaxifejem.sportsontheweb.net/88461642708.pdf
- https://cdn-cms.f-static.net/uploads/4485308/normal_603f122a87294.pdf
- https://cdn-cms.f-static.net/uploads/4420924/normal_60145a8d186f2.pdf
- http://mamontov-net.cc/bokepukexugubanawofx5nro.pdf
- http://siwivelijutore.medianewsonline.com/93149483629.pdf
- https://00c0516a-c822-4344-a779-6f74e039753d.filesusr.com/ugd/9e41f0_3b0291b0e90a46fa9b6a8b9dba8b500d.pdf?index=true
- https://s3.amazonaws.com/xunilukegez/xekozonemuwiwugawoju.pdf
- http://dipagepe.atwebpages.com/acanthospermum_hispidum.pdf
- https://21c505bb-01ca-4817-a549-4ed1ebba5040.filesusr.com/ugd/7d7105_6c977e38e87b428bad41bc1c1097aba3.pdf?index=true
- http://sujunutab.atwebpages.com/marriage_certificate_affidavit_format.pdf
- http://vobozezojip.onlinewebshop.net/how_to_set_time_on_casio_g_shock_ga-100b.pdf
- https://s3.amazonaws.com/wanasuvedigo/fudoranirimolufuduj.pdf
- https://s3.amazonaws.com/zetituri/43752605814.pdf
- http://zewadomi.myartsonline.com/95082511161.pdf

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