PDF malware analysis — malicious · 80798a0bb860c645

MALICIOUS

PDF

72.0 KB Created: 2020-11-25 12:24:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 333a19c729da0a817edd84634bac2e16 SHA-1: 130655ac3c136d261204062c8facef7f09b16821 SHA-256: 80798a0bb860c645c8d43fc6ae3ca0d980a9dcd453a3876b5e0702d440fb2fc9

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URI that points to a suspicious domain, likely intended for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to trick users into visiting a malicious site, potentially leading to further compromise.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 4

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
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://traffnew.ru/strik?utm_term=champions+of+norrath+dark+elf+guide
- https://cdn-cms.f-static.net/uploads/4366042/normal_5faa14c834013.pdf
- https://motanaweda.weebly.com/uploads/1/3/4/3/134316912/c2d81.pdf
- https://cdn-cms.f-static.net/uploads/4411481/normal_5f9648cb4b223.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/tadovu/manuale_di_ortopedia_e_traumatologia.pdf
- https://uploads.strikinglycdn.com/files/b9c3eaaa-5e10-45dc-94cb-9ed9312e293b/93440305766.pdf
- https://s3.amazonaws.com/baxegezivumi/20285934061.pdf
- https://s3.amazonaws.com/jifesu/45349585575.pdf
- https://uploads.strikinglycdn.com/files/14596373-24e9-4353-a563-a8cd6976175d/kepowaderimixezete.pdf
- https://s3.amazonaws.com/zedudo/best_video_player_app_for_android.pdf
- https://uploads.strikinglycdn.com/files/53012af3-78e2-41fa-9150-4a8de3cdeddb/zexaxutusojeje.pdf
- https://s3.amazonaws.com/tetazino/drill_bit_for_8_sheet_metal_screw.pdf
- https://s3.amazonaws.com/wiwuxot/puraxusabofafebowu.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
- https://savannah.gnu.org/projects/freefont/
- http://www.gnu.org/licenses/
- http://www.gnu.org/copyleft/gpl.html

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000ce3a.bin` `6e8ef15e5c1af53807280a354a88890a0385f35f2461d77135d0a6a70cfe7624`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCE3A	5424 bytes
`font_01_sfnt_off0000e07f.bin` `5c2e7bbdce1d16011eef89a3841b37851b248959304a7bd908ee7163a24d7167`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE07F	10544 bytes
`font_02_sfnt_off00010447.bin` `72e4d5fc0fb3e22804c90164b066d65fdc2bcd90800a637305bb40750b74876f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10447	6128 bytes

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