PDF malware analysis — malicious · bff12e003c57b48b

MALICIOUS

PDF

89.3 KB Created: 2021-01-27 02:43:02 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16

MD5: 753facd029b01f87d57bbebcff40e4eb SHA-1: 444eee2835f16016efa49241f1c310e34425ea70 SHA-256: bff12e003c57b48b28a076d3945be2fddd6fde61696ad303dd3c9aadcb620ae3

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains a URL that mimics a search query for a game exploit, likely intended to trick users into visiting a malicious site. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing or trojan PDF. Although no scripts were explicitly extracted, the PDF structure and embedded URI heuristics suggest it's designed to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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://crophysi.ru/123?utm_term=terraria+item+frame+dupe+not+working PDF link annotation
- http://ziweninuxepip.iblogger.org/amazing_spider_man_2_game_android_1.pdfIn PDF document text
- http://gesemalisezusa.iblogger.org/gipabedigi.pdfIn PDF document text
- http://marketeuro.pro/terraforming_mars_game_pieceskzas5.pdfIn PDF document text
- http://kopumiwabetare.66ghz.com/acdsee_pro_crack.pdfIn PDF document text
- http://menedowu.iblogger.org/arcsoft_totalmedia_3._5_license_key_free.pdfIn PDF document text
- http://favanitum.iblogger.org/noun_pronoun_agreement_worksheet_with_answers.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/jevedijadiki/83988631141.pdfIn PDF document text
- https://s3.amazonaws.com/luropi/78152294409.pdfIn PDF document text
- http://lenixad.epizy.com/7660576539.pdfIn PDF document text
- https://s3.amazonaws.com/tawosutosuxi/wutedudejuxatapokosumu.pdfIn PDF document text
- https://s3.amazonaws.com/mizeteb/metagilikozogawasu.pdfIn PDF document text
- https://s3.amazonaws.com/dobesogum/gumudus.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00012032.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12032	5256 bytes
SHA-256: `5e2ae89f17a31a9dee0f640e7e94d76d636236580e55778114adefa1eef70f36`
`font_01_sfnt_off0001321c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1321C	11188 bytes
SHA-256: `1a5ba6c7d1b87cd36b7e36fa65b23d72965a5e0b1d90d51558e0b28813eeda33`

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