PDF malware analysis — malicious · 6ba47e9f6397ac8a

MALICIOUS

PDF

53.1 KB Created: 2021-03-13 15:08:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 4a25579a6959d6f67ccb525c5461fcdf SHA-1: 6e924540b83eb5e2b51950b685818fc2ab3e5fb8 SHA-256: 6ba47e9f6397ac8aa4ace0c39fb8e1eae1477d7bcbe1e4aafbea9f5bb1b63406

174 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF is identified as malicious by ClamAV and ML classifiers, exhibiting characteristics of a phishing lure. The document contains a screenshot disguised as content, with embedded URIs designed to redirect users to external sites, likely for credential harvesting or further malware delivery. The heuristic PDF_SEO_LINK_FARM indicates a large number of generated links, suggesting a broad phishing campaign.

Machine Learning

Nyx PDF Classifier malicious score 0.9031

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-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 53 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://jottigo.ru/award?keyword=integral+calculus+pdf+with+solutions
- https://cdn.sqhk.co/jekunesoru/bigjHhj/rekisabisimekisilis.pdf
- https://cdn.sqhk.co/zixapegof/djgchhg/create_device_manager_shortcut_windows_10.pdf
- https://cdn.sqhk.co/tiwumixe/TijLjfB/77309832873.pdf
- https://batagokefo.weebly.com/uploads/1/3/1/0/131070859/lazowuginipe_vawunaxuwu_bowefu_gugikid.pdf
- https://cdn.sqhk.co/lewenowaxer/L2Zgc6n/toilet_light_running_sound.pdf
- https://zebonusifok.weebly.com/uploads/1/3/4/5/134509505/tarekudezevipe_letoxav_roted.pdf
- https://cdn.sqhk.co/tokafumotebi/fhhjfhj/jomegamaletepiteluvuzo.pdf
- http://vaxunupowuzijez.iblogger.org/lejuvijudazago.pdf
- https://luwegojozokozop.weebly.com/uploads/1/3/0/9/130969796/sigexew.pdf
- https://cdn.sqhk.co/gituridewo/gihh8Xo/85894945610.pdf
- https://cdn.sqhk.co/korebuxaguz/segbhi4/gas_properties_phet_answer_key.pdf
- https://cdn.sqhk.co/gutinisiv/amjfpZX/9076831599.pdf
- https://cdn.sqhk.co/fewukise/gjj5DN6/sanepasipopinikakafedap.pdf
- https://cdn.sqhk.co/jisokemefaz/rgf2heG/dynamix_physical_therapy.pdf
- https://6cdf8c5e-36a0-4b6d-987f-32d3d50030cd.filesusr.com/ugd/3c2e2e_5cbe7c91a4b341b89f6f2640e8a55b57.pdf?index=true
- http://sunuwib.epizy.com/5_paragraph_operations_order_marine_corps.pdf
- http://votarodajogagup.epizy.com/mandatory_occurrence_report_form.pdf
- https://e0bfa911-60eb-4c53-bd8d-ceec25156dfb.filesusr.com/ugd/0a052f_3854eac0b3a34c97ab098aefb12ef124.pdf?index=true
- http://fepavipa.epizy.com/31374462166.pdf
- https://e0271a52-a7af-48e9-8a99-924ce320ec62.filesusr.com/ugd/be5703_76970d5ac3fb4bf292a57bfeceecdb69.pdf?index=true
- https://33fe1336-4051-433c-b691-b763732126dd.filesusr.com/ugd/6c8f37_f507655f0b9841c38ae991c291fb4eee.pdf?index=true
- https://8767aa75-4bd5-48c0-94ca-24e983238001.filesusr.com/ugd/debdc1_df06cb94db7248a8a53c22a5d959defd.pdf?index=true

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