PDF malware analysis — malicious · 2dce71148dae0429

MALICIOUS

PDF

78.6 KB Created: 2021-07-15 23:52:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)

MD5: 4f73d9b24c67c29a88bca39dfabef4cc SHA-1: 91d73fe81da3a8503c4c7b048593e02d599df79b SHA-256: 2dce71148dae04299733ddb2f7e6cb3dfd7b24e2afc2417a7f72aeb109871a81

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was flagged as malicious by both ML classification and ClamAV, indicating a high likelihood of malicious intent. The presence of embedded URLs, even those confirmed benign, suggests an attempt to lure users to external resources. The file's structure and detection patterns align with common phishing or trojan delivery mechanisms.

Machine Learning

Nyx PDF Classifier malicious score 0.9478

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/sq/ugae/~3/UZrB20b2Dcg/square?utm_term=tupac+me+against+the+world+mp3
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60ee661877e2cd4113f283b5/1626236440413/janis_ian_mean_girls_quotes.pdf
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60e9005d1448b061984730f3/1625882717250/american_institute_of_professional_bookkeepers.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60ec7b8940274373759595d5/1626110859337/bpa_containing_products.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f09a4c33ab484f1062c7fb/1626380876368/17620027109.pdf
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60f07666c358bb44760733b1/1626371686762/lucky_dube_i_will_never_fall_in_love.pdf
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60eda4a4c48108232e45a08a/1626186916452/kebopexezerevafenopa.pdf
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60edbdbf221ba579b747b731/1626193344176/duvelogaz.pdf
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ee7f6939b82603386de620/1626242921851/48042312595.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_off0000cba2.bin` `ff049d8fc6f5d63df3cde4b8b1a826b69efb4460b266647fb9f53e543489bba7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCBA2	11280 bytes
`font_01_sfnt_off0000e5cd.bin` `ac0c88e7ec0e26ec30d9e9675f290623f843b7c457490f9db388d354b778ce2d`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE5CD	18408 bytes
`font_02_sfnt_off0001169b.bin` `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1169B	16792 bytes

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