PDF malware analysis — malicious · e8cdc779187925b8

MALICIOUS

PDF

94.8 KB Created: 2021-07-17 09:16:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)

MD5: 8b8b253be860d65a19af0dbbc90ed28e SHA-1: 016322c90a44d52b4dd1ebf87370f9fb7c2c0956 SHA-256: e8cdc779187925b88fcd4ab7371fff0f1eee7e9b82827ecb6ceb7c0ec27ec3ff

66 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The file is a PDF document that was flagged by ClamAV as a phishing trojan. It contains multiple embedded URLs, some of which are associated with Squarespace, suggesting a potential lure or redirection mechanism. The document body is heavily obfuscated and unreadable, preventing further analysis of its specific content or intent.

Machine Learning

Nyx PDF Classifier suspicious score 0.3361

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/gOBB6uaVNRA/square?utm_term=hosanna+in+the+highest+lord+we+lift+up+your+name
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60ec80144c0b954f9ea3d1e1/1626112020842/you_say_you_love_me_i_say_you_crazy_song_download_mp3_free_download.pdf
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60e94d47e6bd1231e6094a6c/1625902407730/on_superstition_by_ag_gardiner.pdf
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ee1ba677e2cd4113ed56b5/1626217383127/lunevowudife.pdf
- https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60f1a95c3b20c96dbe6f61ed/1626450269082/chicago_footnotes_sample.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f039ca8fff8309febc983a/1626356170323/why_is_the_oxygen_atom_of_one_water_molecule_attracted_to_the_hydrogen_atom_of_another_water_molecule.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 5

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000de75.bin` `2fca477a04e6482eae94321a4c21d2a4767bad3ff611cd46beb511124c40a9b8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDE75	11236 bytes
`font_01_sfnt_off0000f867.bin` `57ecc1dcbee5af61d3ef12578d8a1b8ca655aa6596554dd74456792d376061ba`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF867	18048 bytes
`font_02_sfnt_off000127f2.bin` `e52bcd50955fc090435cf5197b4bf29ccd6c45bd9958a2c34a0c96eac1b2f525`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x127F2	6628 bytes
`font_03_sfnt_off00013ec4.bin` `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x13EC4	16792 bytes
`font_04_sfnt_off000156d5.bin` `27fa49ca30b1f57c6e4f8b99ad1f73ead7010ce1f191e20d716503af09158f46`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x156D5	16160 bytes

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