PDF malware analysis — malicious · f49dc0e96365cd84

MALICIOUS

PDF

78.9 KB Created: 2021-06-02 17:28:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 8eccbfe9293c745dcdb9a3b663ad147f SHA-1: 6a2d2213dc742a1ce107b1df1e1ba87aa3f453e4 SHA-256: f49dc0e96365cd84649f3c2501615f0660629b14fbee4f8cb40638825ca918a6

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded URLs, many pointing to disposable hosting services, and is flagged as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The presence of embedded JavaScript, though obfuscated, suggests an attempt to execute malicious code or redirect the user to a malicious site.

Machine Learning

Nyx PDF Classifier malicious score 0.9492

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
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
External URI info PDF_URI

PDF contains an external URL action
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://drafthe.ru/pbw?utm_term=how+to+get+warpaint+and+rose+team+leader
- https://bumeguzi.weebly.com/uploads/1/3/5/3/135391430/3f27e812cfe4f6.pdf
- https://kezofufilulo.weebly.com/uploads/1/3/4/4/134488682/2381506.pdf
- https://static.s123-cdn-static-d.com/uploads/4491168/normal_60b000a953eea.pdf
- https://cdn-cms.f-static.net/uploads/4491433/normal_60175971b63d9.pdf
- https://tifedagarowab.weebly.com/uploads/1/3/4/6/134641562/suvisilexudog.pdf
- https://cdn-cms.f-static.net/uploads/4369774/normal_603e7dcd96988.pdf
- https://cdn-cms.f-static.net/uploads/4387938/normal_6023fcfeaf1d3.pdf
- https://cdn-cms.f-static.net/uploads/4494663/normal_5fdbdfbb632e3.pdf
- https://foxodevof.weebly.com/uploads/1/3/5/3/135336182/tofevesoz.pdf
- https://static.s123-cdn-static.com/uploads/4413455/normal_600212472addd.pdf
- https://lusugola.weebly.com/uploads/1/3/4/5/134599647/4a1cf74cd251c.pdf
- https://static.s123-cdn-static.com/uploads/4390684/normal_5feb040e6c2c7.pdf
- https://static.s123-cdn-static-d.com/uploads/4417212/normal_60b11a61e714e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/d19b6cda-9f1f-4df8-affb-24dbe5d81bb6/wetavedotiwabofif.pdf
- https://uploads.strikinglycdn.com/files/27a4b661-0596-4146-8b65-e202758a2328/mean_median_mode_range_worksheet_kuta.pdf
- https://uploads.strikinglycdn.com/files/c4dab5cb-7475-48e0-aee0-c603c9a020b4/the_practically_cheating_statistics_handbook_download.pdf
- https://uploads.strikinglycdn.com/files/ea38b816-ffc9-4119-8cd8-6505a7ac5c68/fixoponarafenevod.pdf
- https://uploads.strikinglycdn.com/files/b5de1d7f-bb15-47e1-8ef5-e0fb7311d684/29541249513.pdf
- https://uploads.strikinglycdn.com/files/532b61bd-37ed-4070-8a1e-ea1122b7a954/electrical_engineering_drawing_book_in_hindi.pdf
- http://scripts.sil.org/OFL
- 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_off0000e7df.bin` `1a0d05b1a9274382db4d47f90f877e029fdb2c322bf71c2b8259e55e0c9989d3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE7DF	5120 bytes
`font_01_sfnt_off0000f93a.bin` `8c3344d52e9c5ebb73fc043fa78ba6d92988f6f87f52ca0c6af62716e4c0278b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF93A	11020 bytes
`font_02_sfnt_off00011f08.bin` `f1abeaab7c8a38345c08be97e080e68dfa983ab76bcb1336d81fd37038c1888a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11F08	16208 bytes

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