Malicious PDF — malware analysis report

Static analysis result for SHA-256 63cc7182bad7292a…

MALICIOUS

PDF

84.1 KB Created: 2021-01-21 16:00:55 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 20236b962314daf47732c0c5d343be7f SHA-1: bf9cc02e8af11a3ee174e4a35f03b21046c8a384 SHA-256: 63cc7182bad7292a5fdfbb1ac569a2ec9c930ea1faed16ff2f18a5204de453a6
156 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by multiple heuristics, including a critical ClamAV detection and an ML classifier. It contains a large number of external links, suggesting a link farm or redirection mechanism to malicious sites. The presence of embedded URLs and the overall structure indicate an attempt to direct users to potentially harmful content, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://traffset.ru/aws?utm_term=toru+dutt+our+casuarina+tree+pdf
    • https://site-1166084.mozfiles.com/files/1166084/9596988549.pdf
    • https://cdn.sqhk.co/difanemifal/0UXMnkR/13250096201.pdf
    • https://cdn.sqhk.co/gafisasiwu/gsNibhi/love_rosie_movie.pdf
    • https://site-1178075.mozfiles.com/files/1178075/2785181578.pdf
    • https://site-1167973.mozfiles.com/files/1167973/triple_diamond_slot_machine_error_codes.pdf
    • https://site-1183794.mozfiles.com/files/1183794/jisudusawutijimubopis.pdf
    • https://cdn.sqhk.co/vadezewe/jjBgfhe/wesugupupepefetud.pdf
    • https://digokevun.weebly.com/uploads/1/3/4/7/134747151/sunuz_sonakizuku.pdf
    • https://cdn.sqhk.co/letabuner/ihHLieG/best_basketball_trick_shots_dude_perfect.pdf
    • https://cdn.sqhk.co/gedodupem/jjgidij/wawef.pdf
    • https://site-1175549.mozfiles.com/files/1175549/spread_past_form_of_verb.pdf
    • https://site-1180586.mozfiles.com/files/1180586/6041281573.pdf
    • https://site-1254731.mozfiles.com/files/1254731/dejusolavojubafodokuvil.pdf
    • https://cdn-cms.f-static.net/uploads/4454813/normal_5fbf6aea4ac19.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://fedorahosted.org/lohit
    • http://patesosiw.epizy.com/makasupiga.pdf
    • http://biwonopo.epizy.com/aisc_column_base_plate_design_guide.pdf
    • http://xovimed.rf.gd/brownies_girl_guides_near_me.pdf
    • http://veluvuwipigunuw.rf.gd/love_shayari_photo_image.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://scripts.sil.org/OFL
    • http://www.geocities.com/mitra_anirban/hobbies.htmGNU
    • http://www.gnu.org/copyleft/gpl.htmRegular

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e81c.bin
0bf64628ea16e6772baf33561890f35e85c68b6eab857cdbf9e5ba05ac99ae7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE81C 5064 bytes
font_01_sfnt_off0000f95d.bin
6539b129c5cd894636dc8f40f53a156c00c8f46378ab4f137c96d687a1cff6ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF95D 3720 bytes
font_02_sfnt_off000104c0.bin
37d9c6d7025fd50c2984e1c5b1f369f93f195ba6182150941cc3f20c51f6da53		 pdf-font-stream PDF embedded font (sfnt) at offset 0x104C0 10636 bytes
font_03_sfnt_off00012956.bin
4e73201b5f0a54c297461d6f488185b0d721938f6fa510cc68c87f51a86bf535		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12956 7452 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.