Malicious PDF — malware analysis report

Static analysis result for SHA-256 49c297c4589abaee…

MALICIOUS

PDF

52.6 KB Created: 2021-03-20 19:44:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c3e403c664b7a2095108bc1816efaa89 SHA-1: af4d5cd324e366feccd377ac15213b4080a87f2c SHA-256: 49c297c4589abaeec2949fbdd60f2a7282f6f51492c17cabd4dd2b1de4681829
184 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is designed as a lure, presenting an image that conceals an invisible link. This link redirects to suspicious domains, such as http://securitycheckingbrowservkcom.xyz/pogopalilasewuboketiwilei8sgs.pdf, which is a common tactic for phishing or distributing further malicious content. The ClamAV detection and ML classifier further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5302

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LURE
    PDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
  • 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 52 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://gimoguvi.ru/aws?utm_term=sermon+for+mothering+sunday+2015
    • https://cdn.sqhk.co/gujowaxexag/hjjja6D/60565785581.pdf
    • http://899themes-demo.ru/89171548013xmggc.pdf
    • https://cdn.sqhk.co/rosisole/jenijjb/stack_solutions_inc.pdf
    • http://sy0n.icu/how_many_degrees_in_scottish_riteznxob.pdf
    • http://kyponnik.online/54451368281idpq4.pdf
    • https://cdn.sqhk.co/nebemina/q2ighgs/george_strait_song_lyrics_you_ll_be_there.pdf
    • https://cdn.sqhk.co/gotulurowav/aWkrbj8/rujanivepefovepivusi.pdf
    • http://viewcreditscore.info/80066212682z8ybt.pdf
    • http://shop50off.info/how_to_draw_a_dog_art_for_kids_hubez1sp.pdf
    • http://contact-git.top/vulivibojoputaca90z.pdf
    • http://consequences.space/maxims_of_teaching_particular_to_generaleirv5.pdf
    • http://meetchat.space/xiruperekitar2jk80.pdf
    • http://denizan.com/melurebuxawoasllc.pdf
    • https://cdn.sqhk.co/wufaluvete/ibjjvih/54623281867.pdf
    • https://vixixufabajuwe.weebly.com/uploads/1/3/1/1/131163632/vareregufigofisoni.pdf
    • http://varnisvakq.ru/45496989681v0led.pdf
    • https://sevafigetof.weebly.com/uploads/1/3/4/9/134902911/5a878ed653046.pdf
    • https://nunofisodopuw.weebly.com/uploads/1/3/4/2/134234763/d9dd5ae7b.pdf
    • http://bilet-pdd.site/porter_cable_150_psi_air_compressor_leakingixbxk.pdf
    • http://onenature.space/29636487843icnb2.pdf
    • http://securitycheckingbrowservkcom.xyz/pogopalilasewuboketiwilei8sgs.pdf
    • http://pe50off.info/tuzisoxijopizezanama54n4g.pdf
    • https://zuwubusonelab.weebly.com/uploads/1/3/0/7/130739898/6710395.pdf
    • https://s3.amazonaws.com/xidazeze/potepemazowomodi.pdf
    • https://s3.amazonaws.com/povelenavuviw/6518625903.pdf
    • https://s3.amazonaws.com/xifabilejilab/70674946711.pdf
    • https://s3.amazonaws.com/fajixe/casio_watch_set_time_5146.pdf

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