PDF malware analysis — malicious · a48c3ba1d8608ef9

MALICIOUS

PDF

58.6 KB Created: 2021-04-04 21:59:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 0aff79f73874de200a7ccb745975b12e SHA-1: 28bb7e672605d4449e710f7618c51e4abad74036 SHA-256: a48c3ba1d8608ef983c29ed935b667a526a3e6c4a474c0e3c80b1ba9bebd5fbd

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains numerous external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The ClamAV detection and ML classifier flagging indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to lead users to potentially harmful content, possibly for phishing or malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.6078

Heuristics 4

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
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=the+sewing+book+by+alison+smith+pdf
- https://jomufoxubibad.weebly.com/uploads/1/3/1/1/131164047/sigaruro.pdf
- https://nenubijul.weebly.com/uploads/1/3/5/3/135393623/401f2f7fa20.pdf
- https://faxusonugavipil.weebly.com/uploads/1/3/4/7/134741565/vakaxeso.pdf
- http://rineset.xyz/fix_auto_rotate_on_androidho4b0.pdf
- https://cdn.sqhk.co/fimirexuf/dnoN1jh/video_player_vlc_download.pdf
- http://carinsusa.info/spectrum_math_workbook_grade_8_free92cvz.pdf
- https://xitarowax.weebly.com/uploads/1/3/2/6/132681505/17a7e4a59a3.pdf
- http://anarchymedya.com/3220661402911gn1.pdf
- https://cdn.sqhk.co/lawikuto/Lhh9s8X/makogajulavuvatokozi.pdf
- https://mitewowepo.weebly.com/uploads/1/3/0/8/130813710/wojegamolofet.pdf
- http://lnstagram-copyright-supports.com/16087095109potm4.pdf
- http://frut-tree.site/brookstone_wireless_headphones_pairingqi1wh.pdf
- https://s3.amazonaws.com/zuvovoxigumuz/tabla_de_aniones_y_cationes_completa.pdf
- https://s3.amazonaws.com/dobikasukavu/guidestone_financial_login.pdf
- https://8b2103c5-345b-48fd-98e3-f19c90c4efd0.filesusr.com/ugd/0e2875_a5b5b00bb33f40ea9de5632ea5be14c6.pdf?index=true
- https://09ec9d85-9312-4337-94d0-b84080e05f2e.filesusr.com/ugd/ac0094_780000db038c415db2391f73b1b7addb.pdf?index=true
- https://4a39c6c9-989b-4d11-b2d8-cc0becc7f193.filesusr.com/ugd/ef0078_01f05830abf946b88f5e9b46fa677c45.pdf?index=true
- https://5a060084-92f5-4e09-b02e-bbac8bb45871.filesusr.com/ugd/05c943_af19035658164306b8857e9a260dbe4e.pdf?index=true
- https://s3.amazonaws.com/wenobagupexekap/84388694206.pdf
- https://cc652f91-b1ab-470c-b36f-46d838ef85b2.filesusr.com/ugd/fbccce_a10f32ae00a2462e9e932974a7fab632.pdf?index=true
- https://8f1ef4f7-3f23-41ef-a3d6-4e5873a175a2.filesusr.com/ugd/d318ce_fa3a209e27f8447595e56afd47aff5a2.pdf?index=true
- https://s3.amazonaws.com/joterige/installation_of_cost_accounting_system.pdf

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