PDF malware analysis — malicious · 769e19c63940abe6

MALICIOUS

PDF

76.8 KB Created: 2021-05-19 23:17:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13

MD5: 5c22c76bd4ae7414c7aade4aa3633f24 SHA-1: 6ee2defd7491c8dde71a89a646a0d49001a83a3e SHA-256: 769e19c63940abe6f05766b696138f579c903181adfbdfc6250a0e78128ad24d

156 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous external links, a common tactic for SEO poisoning or phishing. The primary URL 'https://ponafet.ru/strik?utm_term=how+to+change+number+plate+on+gta' suggests a lure related to online gaming or vehicle information, potentially leading to a phishing site or malware download. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or trojan distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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
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.
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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://ponafet.ru/strik?utm_term=how+to+change+number+plate+on+gta PDF link annotation
- https://static.s123-cdn-static.com/uploads/4428083/normal_5ffd2f5d9d20f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369653/normal_5fcd8fab6497f.pdfIn PDF document text
- https://temazojirilezin.weebly.com/uploads/1/3/2/3/132302863/fc1520f8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4476434/normal_5fdf2b9dceb39.pdfIn PDF document text
- https://vukumurumijolot.weebly.com/uploads/1/3/4/4/134433046/koniwamisud_bodexutojex.pdfIn PDF document text
- https://bijejumutitin.weebly.com/uploads/1/3/1/4/131454352/1139006.pdfIn PDF document text
- https://dawifibikinofi.weebly.com/uploads/1/3/4/6/134682228/xawasas_pizinujadamij.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4414678/normal_600fb3e5285c9.pdfIn PDF document text
- https://wugumura.weebly.com/uploads/1/3/4/6/134601103/9975b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393041/normal_5fe690774039f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/sajatesawodiji/vinifikoko.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/866fd46f-f1f6-4df9-a8e5-6224c744f74f/rules_for_istikhara.pdfIn PDF document text
- https://s3.amazonaws.com/kegubinefuda/adda247_monthly_current_affairs_july_2019.pdfIn PDF document text
- https://s3.amazonaws.com/xotomisen/original_wizard_of_oz_book.pdfIn PDF document text
- https://s3.amazonaws.com/fapaga/70685646534.pdfIn PDF document text
- https://s3.amazonaws.com/nabifovu/adobe_maker_not_working.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/618a5693-beef-4021-af04-577f0691ff94/nikon_coolpix_p5100_battery_charger.pdfIn PDF document text
- https://s3.amazonaws.com/divelatoxa/dragn_ball_z_saga_de_los_androides.pdfIn PDF document text
- https://s3.amazonaws.com/tobovunoberiki/51434965697.pdfIn PDF document text
- https://s3.amazonaws.com/dukavunivifa/dulemagovow.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e2f5.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE2F5	5196 bytes
SHA-256: `1ad4e9be0aa91a39dc9e275a5488483e4b2ab053e4bbc83dc365e74c009dfcdf`
`font_01_sfnt_off0000f476.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF476	10384 bytes
SHA-256: `cc5fe4fe1c6eed370bdd0e4c1cec4a52878aafc08d132653982b3008f3060375`
`font_02_sfnt_off000117d7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x117D7	4324 bytes
SHA-256: `9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2`

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