PDF malware analysis — malicious · 2719a0212f7f40dd

MALICIOUS

PDF

15.6 KB Created: 2020-10-25 20:41:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4eeb0a67a7a66df1367f73ef347f4599 SHA-1: 0199a8c106f6fdb041fb96388d43904d386319b2 SHA-256: 2719a0212f7f40dd6dab5db30d80581f35e5a4ae733f3d4489d072ce599683ff

172 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document is designed as a screenshot lure, presenting a seemingly innocuous acknowledgement form to entice user interaction. It contains numerous links, including one to a known malicious redirector infrastructure at 'https://gettraff.ru/aws?keyword=acknowledgement+form+pdf'. The presence of many external PDF links suggests an attempt to manipulate search engine results or distribute further malicious content. The ML classifier strongly supports the malicious verdict.

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://gettraff.ru/aws?keyword=acknowledgement+form+pdf
- https://cdn-cms.f-static.net/uploads/4381551/normal_5f8b254f61278.pdf
- https://cdn-cms.f-static.net/uploads/4383687/normal_5f8bdfdcb5d11.pdf
- https://lerexujirizafet.weebly.com/uploads/1/3/4/3/134344290/nolodeguvuxefata.pdf
- https://dowikonusinewe.weebly.com/uploads/1/3/4/3/134374018/mikusol_wigese_zeduwenu.pdf
- https://waridiregap.weebly.com/uploads/1/3/4/0/134095836/lazoseziwexif.pdf
- https://putigazabikikim.weebly.com/uploads/1/3/2/6/132682718/dotepudakese.pdf
- https://rizebilawi.weebly.com/uploads/1/3/0/8/130814716/sijof.pdf
- https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/e27909d0be.pdf
- https://tarirubawapub.weebly.com/uploads/1/3/1/6/131606173/d6604ea53f.pdf
- https://xonimitofowe.weebly.com/uploads/1/3/2/6/132682232/wepixixifob.pdf
- https://cdn-cms.f-static.net/uploads/4387713/normal_5f9348524fcc3.pdf
- https://cdn-cms.f-static.net/uploads/4384039/normal_5f8e5de147b3f.pdf
- https://s3.amazonaws.com/lewuli/31289888458.pdf
- https://s3.amazonaws.com/jamokaroxoj/candide_voltaire_romana.pdf
- https://s3.amazonaws.com/zuxadol/60339449407.pdf
- https://s3.amazonaws.com/mejawiwomak/zumeme.pdf
- https://s3.amazonaws.com/susopuzupure/81611567663.pdf
- https://s3.amazonaws.com/fasanag/zisenogoxuw.pdf
- https://s3.amazonaws.com/fasanag/58380879735.pdf
- https://s3.amazonaws.com/gozilum/another_one_bites_the_dust_piano_sheet_music.pdf
- https://s3.amazonaws.com/dobesogum/bpsc_pt_question_paper_2017_in_hindi.pdf

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