Malicious PDF — malware analysis report

Static analysis result for SHA-256 660c659f797d9733…

MALICIOUS

PDF

119.8 KB Created: 2020-11-14 06:26:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-31
MD5: a3dca66c5cce1fbc5e92b65f661bd712 SHA-1: 53847b88f9b938f745af6e837df93ad286d56933 SHA-256: 660c659f797d973336fe9f023835098f2344d8eefb28c63236f24513f085991f
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a URL that masquerades as a subtitle download for 'The Hobbit: The Battle of the Five Armies'. This URL is likely used to redirect the user to a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent, consistent with a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9372

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://trafficel.ru/strik?utm_term=the+hobbit+battle+of+the+five+armies+2014+subtitles PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4404490/normal_5f969738ea4d7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391599/normal_5f9613647c671.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378383/normal_5f9de55218250.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368503/normal_5f93d39a7662d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389571/normal_5f9696b46f159.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • http://smc.org.in)MeeraRegularMeera2016SMC7.0.0+20171102HussainIn PDF document text
    • http://smc.org.inhttp://smc.org.inIn PDF document text
    • http://www.indictrans.orgIn PDF document text
    • http://www.opentle.orgIn PDF document text
    • https://uploads.strikinglycdn.com/files/71685620-2cab-4065-ad76-bf5eb41ea825/apk_geometry_dash_2.1_original.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b0acad5a-381b-43c9-888c-9ffc380b53b2/67222247462.pdfIn PDF document text
    • https://s3.amazonaws.com/kewakuko/68946212713.pdfIn PDF document text
    • https://s3.amazonaws.com/jewizopukuni/nothing_was_the_same_album_download_free.pdfIn PDF document text
    • https://s3.amazonaws.com/megelugik/53408491605.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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
    • https://savannah.gnu.org/projects/freefont/In PDF document text
    • http://www.gnu.org/licenses/In PDF document text
    • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
    • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text
    • https://gitlab.com/smc/meera/blob/master/COPYINGIn PDF document text
    • http://sinhala.sourceforge.net/In PDF document text
    • http://sinhala.cvs.sourceforge.net/viewvc/*checkout*/sinhala/sinhala/fonts/CREDITSIn PDF document text
    • http://www.gnu.org/licenses/gpl-2.0.htmlIn PDF document text
    • http://www.gnu.org/licenses/gpl.htmlIn PDF document text

Extracted artifacts 15

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_015_off00019fb4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x19FB4 18456 bytes
SHA-256: 89cd46b05cc68fe1b7ccfedf2968cc66136e45e03cd942540d67e7394be532e7
font_00_sfnt_off0000c219.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC219 7916 bytes
SHA-256: b6d8f72b59c47e884b0b6746a25c5cbd96eb494928042fd8f7d2b0ad088f297a
font_01_sfnt_off0000d678.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD678 3080 bytes
SHA-256: c27397356458df967e98ea0c4997ed2eab6a5e1e4fcabafdede38242691d1c63
font_02_sfnt_off0000e17a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE17A 5568 bytes
SHA-256: 22fa7458e17b4c7caa4b37a6a4ee16545ed671db45add345ce0517f5b4b24f1e
font_03_sfnt_off0000f449.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF449 2656 bytes
SHA-256: 1620336da6018abf771a3b64a4739dbc5cc5761e5bcfd31f9568e9163b5e6178
font_04_sfnt_off0000ff4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF4E 7728 bytes
SHA-256: 9a41cff4e74f9782a9e34194dcc308d20f72a17c5432475959f24e0af8b16c2c
font_05_sfnt_off0001189a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1189A 3048 bytes
SHA-256: e23308bb06bff427f4fe2d795198e016b2e9db23d45fd702446b15ef1a1323d1
font_06_sfnt_off000124a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x124A6 2328 bytes
SHA-256: 6d897259d7ab9db79b0dbb16904cd99ff486aa7f4a475590a5d3e44eab6e0eed
font_07_sfnt_off00012f5e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12F5E 2604 bytes
SHA-256: d4cda5a9ecb2558448f754249352cd4d73a8f7efff03060ee9a54ebf713292d1
font_08_sfnt_off00013a36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13A36 3840 bytes
SHA-256: 869700f7b438b0b0f23cfbf3a170597ae1a6b01e9ba9f60fe7298d5eefb98f81
font_09_sfnt_off00014843.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14843 2108 bytes
SHA-256: b3976ad28991401f3a7e0d936621f3963ed8fd81aff5bedc9e25cf6548b1959b
font_10_sfnt_off00015218.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15218 4336 bytes
SHA-256: 87016e8933cc862d1d188edfbee698abcff8178ed3d6b510b61737ee02f60284
font_11_sfnt_off00015fb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15FB7 5824 bytes
SHA-256: c45ac9849b5b6f14c362ff201dcc7341054c8822fcb07a4d2a7d44eeecde3ddb
font_12_sfnt_off00016e59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16E59 17272 bytes
SHA-256: a9e7f99cf3b15c9ac201fac1050ed7592ff2f1199c4cd0b5b175cbec6ee408c4
font_14_sfnt_off0001be0d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1BE0D 3092 bytes
SHA-256: f43a680dc8fc14c4923ea15b7ff496c9e86d581601a33fa3b4ff9a123e432981

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