PDF malware analysis — malicious · 7823fa6509448a11

MALICIOUS

PDF

82.7 KB Created: 2021-07-13 01:53:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)

MD5: 2bf47d4e5bdd1953db89d9284920839a SHA-1: 6d36639230c158fc189faaf14f74558a711264c6 SHA-256: 7823fa6509448a11d72acc6b435115faa802c30092dc53f6e1661f7c664093e5

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The file was detected as malicious by a ClamAV signature and an ML classifier, indicating a phishing or trojan threat. The presence of embedded URLs, though many are marked benign, suggests an attempt to redirect the user to malicious content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall context points to a malicious PDF designed to exploit user interaction.

Machine Learning

Nyx PDF Classifier malicious score 0.9438

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://feedproxy.google.com/~r/razvivatel/yapz/~3/pL_UGxDroB4/square?utm_term=south+of+france+cities
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ecb009090f943475d809af/1626124297515/the_cat_from_soul_eater.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60e8ed8919a9f87deb7077f6/1625877898070/duvafatekesinodofa.pdf
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e8e255cc7c086459238e5e/1625875029819/movosoxekinolomemuzu.pdf
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60e8443585181504630baa08/1625834549952/plant_cell_structure_labeled_diagram.pdf
- https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e940cbdefa333328ab74ba/1625899212073/alt_in_dogs.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60ecb9dfdb07696a6656fa99/1626126815348/gelorexopugarav.pdf
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60e79fe9d93aeb546a10f9a3/1625792489221/39932821289.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60e8e8b7025aa46e30cfebaf/1625876663901/63763110951.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_off0000de33.bin` `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDE33	16792 bytes
`font_01_sfnt_off0000f645.bin` `d37d28b8f73b7afd1381c3dbd65589e2c98399adf5294dabe09cb34c4fc3fab7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF645	18336 bytes
`font_02_sfnt_off0001250a.bin` `a74b14769c648021dd41abe6d25998a0d5e635f9e28fe71c1c23af114ea37241`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1250A	10560 bytes

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