PDF malware analysis — malicious · d598c2c37b72c224

MALICIOUS

PDF

54.5 KB Created: 2021-03-22 16:17:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 6d8ea7e9e31c13bd4f45b07baaba0255 SHA-1: a30e8fe548d307f47052fa0e87e1ba3132c6723e SHA-256: d598c2c37b72c224d5a7de34ad2fe2e32e7375d6feb6b2100e51b63902f2af30

232 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.001 User Execution: Malicious Link

This PDF document is identified as malicious due to its structure and embedded links. It functions as a phishing lure, masquerading as a search result for an academic book to entice users to click on malicious URLs. The document contains a link farm, directing users to multiple external PDF files, likely to obscure the ultimate malicious destination.

Machine Learning

Nyx PDF Classifier malicious score 0.6563

Heuristics 5

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.
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 54 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://yafferge.ru/award?keyword=fundamental+accounting+principles+13th+canadian+edition+pdf
- https://vavinaxedekofew.weebly.com/uploads/1/3/0/9/130969509/1621149.pdf
- https://duvafoxugijotad.weebly.com/uploads/1/3/5/3/135305538/9996193.pdf
- https://jafiwivejo.weebly.com/uploads/1/3/5/3/135305612/116633.pdf
- https://gufekesunix.weebly.com/uploads/1/3/4/8/134888283/dfb214ced259fb2.pdf
- https://suzonozumevudem.weebly.com/uploads/1/3/1/3/131379217/vajozete_lupowigemet_kaxewobam.pdf
- https://s3.amazonaws.com/vavejijitatofu/fadizegosexerag.pdf
- https://s3.amazonaws.com/ximupuv/football_india_tv_guide.pdf
- http://sazexuxezife.rf.gd/rituvizerazalupamofad.pdf
- https://uploads.strikinglycdn.com/files/58f31da1-bf1e-4924-94e3-3d11560a2932/delopefalavuso.pdf
- https://uploads.strikinglycdn.com/files/8496eaf8-2c5b-4e82-a96d-7cc3bd366b56/hp_laserjet_pro_400_color_mfp_m475dw_price.pdf
- https://s3.amazonaws.com/zodawanuror/puwobegibunuxexanix.pdf
- https://s3.amazonaws.com/jafujasiwetid/ratunazomuzizidafupurus.pdf
- https://uploads.strikinglycdn.com/files/d76af170-c9ce-4e75-bd57-d43bad18f980/24492113283.pdf
- https://1482387f-61d8-47e1-b538-9b7f1e8b89fb.filesusr.com/ugd/538d67_7b3253da3e1d42beb170d723037db3db.pdf?index=true
- https://s3.amazonaws.com/zoxewudunigus/calcific_tendonitis_shoulder_patient_information.pdf
- https://s3.amazonaws.com/lopadivupudexa/cydia_app_store.pdf
- http://bevewimun.epizy.com/relentless_from_good_to_great_to_unstoppable_summary.pdf
- https://201a0bc5-0eb3-4135-8969-828875a6b07d.filesusr.com/ugd/607883_c1f3425dc536461c8f034da7c2059466.pdf?index=true
- https://0443db59-9f9d-4031-b786-8a5723798135.filesusr.com/ugd/ab62d6_f1857e2a325542da8dfa241b7fb1efaf.pdf?index=true

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