PDF malware analysis — malicious · 72ed4c8a2de864a9

MALICIOUS

PDF

66.9 KB Created: 2021-01-11 18:06:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: e24372d978c26f030a165c9bc85010c7 SHA-1: e975e621d6cf8b20d692c6b85f1aa807b0caf424 SHA-256: 72ed4c8a2de864a90751b6dfc01e4cd30d688898da3305464c28a73453db9d90

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://trafffi.ru/aws?utm_term=avengers+infinity+war+desktop+wallpaper PDF link annotation
- https://cdn.sqhk.co/zepinima/PhasgfR/8169530939.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413573/normal_5fba0ddfd2e3c.pdfIn PDF document text
- https://cdn.sqhk.co/vilomikov/gdDjhiX/ps4_controller_dtf_led_kit.pdfIn PDF document text
- https://cdn.sqhk.co/fofasafiwi/igZaBWt/the_last_survivor_stay_alive_gameplay.pdfIn PDF document text
- https://cdn.sqhk.co/ralapogifur/iaieibk/89663312936.pdfIn PDF document text
- https://cdn.sqhk.co/sejarepezibo/7R33bDy/zikuv.pdfIn PDF document text
- https://site-1178275.mozfiles.com/files/1178275/spotify_playlist_converter_apk.pdfIn PDF document text
- https://cdn.sqhk.co/vipujitebiki/fghigjf/marujatilini.pdfIn PDF document text
- https://cdn.sqhk.co/gemadaruvow/hbNhibQ/hori_fighting_stick_dual.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/libosokune/ipde_process_def.pdfIn PDF document text
- https://s3.amazonaws.com/jolituzoji/evidence_chain_of_custody_form.pdfIn PDF document text
- https://s3.amazonaws.com/zubuwujoxom/best_bollywood_video_website.pdfIn PDF document text
- https://s3.amazonaws.com/divikufifir/69477100841.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_off0000c5fb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC5FB	5516 bytes
SHA-256: `c10ec413e45db9ef9a86270c74d596443d7588926ed6e39412e0e5575da02094`
`font_01_sfnt_off0000d8fd.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD8FD	10928 bytes
SHA-256: `b33aab23d93f43c9974c4462cc223cbc4d93665558f019ec77e2b05668475543`

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