PDF malware analysis — malicious · 2143bf01cf62cc96

MALICIOUS

PDF

43.5 KB Created: 2021-03-09 17:00:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 867542fe11188b550fe248338b6d12d9 SHA-1: e51abce7896d9aa69a99b36a6be5f7a63593f1b2 SHA-256: 2143bf01cf62cc967b2a88de6f11cb52e65da6fb85daab2b4179148a00b38925

174 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file is identified as malicious due to its structure, which resembles a screenshot lure designed to trick users into clicking external links. The presence of numerous external PDF links, including a link farm, suggests an attempt to redirect users to potentially malicious content. The ClamAV detection and ML classifier further support its malicious nature, indicating it's likely a phishing or malware distribution attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.7310

Heuristics 5

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-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 43 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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://xajibur.ru/award?keyword=pictionary+words+easy+pdf
- http://sagedix.medianewsonline.com/canadas_national_sport_word_craze.pdf
- https://cdn-cms.f-static.net/uploads/4501789/normal_60166e5818c7e.pdf
- https://xadadoroz.weebly.com/uploads/1/3/6/0/136024884/8793804.pdf
- http://rowomonug.mywebcommunity.org/ejemplos_de_los_13_signos_del_teatro.pdf
- http://sutovuresas.mygamesonline.org/quotes_from_emerson.pdf
- https://fadefufogu.weebly.com/uploads/1/3/5/9/135960472/misinuganijerukape.pdf
- https://cdn-cms.f-static.net/uploads/4387419/normal_60110caf779d0.pdf
- https://static.s123-cdn-static.com/uploads/4373243/normal_5feea9104e1a3.pdf
- https://paxowamowutujaf.weebly.com/uploads/1/3/4/3/134322095/cebe13.pdf
- https://rijadotijijani.weebly.com/uploads/1/3/4/4/134470018/vinikazop.pdf
- http://zibepifutidi.sportsontheweb.net/how_often_to_change_your_electric_toothbrush_head.pdf
- https://static.s123-cdn-static.com/uploads/4383452/normal_5fefff74c748d.pdf
- https://2ed821ec-8078-4e74-b11b-c5cec6a88262.filesusr.com/ugd/65e777_9e643555e88644c69054c0bebf271b20.pdf?index=true
- https://0efdb04f-128a-4c0d-ace4-8b312723ebcc.filesusr.com/ugd/5508f4_ad5d9aa2bcc6426cbdfb40b71d849426.pdf?index=true
- https://s3.amazonaws.com/zibenoroduzuw/boss_chromatic_tuner_tu-_3_manual.pdf
- https://s3.amazonaws.com/waduzirader/anand_shinde_songs_free.pdf
- https://24976a62-ea59-4ca6-8500-d0bd08f9a094.filesusr.com/ugd/65a075_7cabccee020f47c9967dec1a36c72b09.pdf?index=true
- https://327bbe42-9aa5-4ca0-80e5-6c9857058a26.filesusr.com/ugd/2b870b_abd8530e1bd142f59e68350fd9d67520.pdf?index=true
- http://zalatikewal.atwebpages.com/captive_prince_manga.pdf
- https://s3.amazonaws.com/lukepepe/sample_leadership_assessment_report.pdf
- https://s3.amazonaws.com/sorapobuk/19230147731.pdf
- https://s3.amazonaws.com/kabisebax/summary_of_13_reasons_why_season_1.pdf

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