Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec60bda128d90b25…

MALICIOUS

PDF

50.6 KB Created: 2021-03-15 20:43:13 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4b40474988ee4a82497442d35e5cdfa8 SHA-1: 23d21c413b9d3edb178970fcffaaf05eb8b35d90 SHA-256: ec60bda128d90b2563dec9f015623c071faf54598cacee8554a6af36477b0994
144 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is identified as a phishing lure due to its small size and image-heavy content, typical of a screenshot designed to hide clickable links. The heuristic 'PDF_IMAGE_LURE' confirms this, indicating the document is likely intended to trick users into clicking external URLs. The embedded URL 'https://crophysi.ru/aws?utm_term=hp+elitebook+8570w+bluetooth+drivers' is a primary indicator of malicious intent, likely leading to a phishing page or malware download. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7209

Heuristics 5

  • 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-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 50 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://crophysi.ru/aws?utm_term=hp+elitebook+8570w+bluetooth+drivers
    • https://static.s123-cdn-static.com/uploads/4476420/normal_5ff6a25bad366.pdf
    • https://cdn-cms.f-static.net/uploads/4418778/normal_60203906400ee.pdf
    • http://itdiscount.pro/wondershare_video_editor_free_uptodownlyonc.pdf
    • https://roxejozojone.weebly.com/uploads/1/3/0/9/130969259/fejuzu-guvolivabusi-moxutuzowive.pdf
    • http://bonmarket.site/54050085884ybo8t.pdf
    • https://nugivukowunel.weebly.com/uploads/1/3/4/0/134041243/b17bb8c.pdf
    • http://medyayazilimtr.com/vampire_5e_statsm3ogg.pdf
    • https://cdn-cms.f-static.net/uploads/4477369/normal_60357c8e1c877.pdf
    • http://reduslim-europa.site/giluzuvegivubolodixaxeric3j2n.pdf
    • https://fevuxutub.weebly.com/uploads/1/3/4/1/134131759/lajidu-zavoziretufex.pdf
    • http://foramodosug.mygamesonline.org/michael_burawoy_manufacturing_consent.pdf
    • https://static.s123-cdn-static.com/uploads/4484618/normal_5fe434bdbbbf3.pdf
    • https://gamuzajebi.weebly.com/uploads/1/3/4/4/134481120/kiselek.pdf
    • http://tujijamutibe.sportsontheweb.net/are_amana_dishwashers_good.pdf
    • http://summer-italy.fun/2020_olympics_usa_skateboarding_teamz25os.pdf
    • https://cdn-cms.f-static.net/uploads/4379859/normal_600b7b5053a2a.pdf
    • http://zexaribamemavi.sportsontheweb.net/how_to_fix_gas_knob.pdf
    • http://sodahub.pro/what_are_the_different_levels_of_measurement_in_questionnaire_designs3zlz.pdf
    • http://uaregroup.com/aurora_runaway_song_freebtudw.pdf
    • http://snatural.space/fejikirusuxaam3.pdf
    • http://povodakav.myartsonline.com/nejubonuwolusowade.pdf
    • https://uploads.strikinglycdn.com/files/c81e848d-bd0a-4761-87f7-5d7395f3ff0d/65450179209.pdf
    • https://uploads.strikinglycdn.com/files/1d10021d-e342-4de6-bf89-1c053c162a9b/gepur.pdf
    • https://uploads.strikinglycdn.com/files/3e9b730d-0bfa-45bd-89de-294d79051df2/ride_the_tiger_slang_meaning.pdf
    • https://uploads.strikinglycdn.com/files/6594bc9d-683e-4f98-b5eb-32464be064a5/xajimegumunerolajak.pdf

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