PDF malware analysis — malicious · bffa693ec81c70d9

MALICIOUS

PDF

90.3 KB Created: 2021-07-12 21:33:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)

MD5: 2517536101f557419f6421cde07f3df5 SHA-1: d6297c7c4efc2d7eb3db2b4cc8bbfa2d72c9ea08 SHA-256: bffa693ec81c70d9d9128579922c90d4f78477794f18f34f747558521347a076

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains embedded URLs that likely lead to malicious content or phishing sites. The presence of embedded URLs and the ML classification suggest an attempt to deliver a payload or phish users, aligning with the Spearphishing Attachment technique.

Machine Learning

Nyx PDF Classifier malicious score 0.9896

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://feedproxy.google.com/~r/razvivatel/yapz/~3/UZrB20b2Dcg/square?utm_term=watch+love+%26+basketball+online+free
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e939218ce0e10532d366e3/1625897249778/jinigulepokas.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ec88f5d0153e73bf8c6892/1626114293632/wusejer.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e7e915dbc52028c8401d7e/1625811222094/the_age_of_adaline_2.pdf
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ec86125978cb5ccaab1280/1626113554308/rikiba.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e818845eabb22f35dd0b4e/1625823364518/21460586826.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ec84b7dcef4a49b3ab0384/1626113207783/mp4_3gp_video_download.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e8cf5a546fd16393e402ad/1625870170910/vacation_email_outlook.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ec7722bdd82073f6fdc4b7/1626109730999/xened.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ec858ec3fb560d26f312a4/1626113423157/sports_illustrated_swimsuit_2012.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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00010157.bin` `01427dd6dbf4d47f4d53ea7a9a79cb3e360afc7da40ded98adbefe116b73afc9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10157	17656 bytes
`font_01_sfnt_off00012f43.bin` `3ae413f9a3a461481ed484e8be11187cca7cc69be2b1443b3d61acce039efc23`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12F43	9920 bytes
`font_02_sfnt_off00014568.bin` `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x14568	16792 bytes

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