PDF malware analysis — malicious · b5fcfc7ad607019e

MALICIOUS

PDF

69.8 KB Created: 2021-01-14 08:29:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 19f7b9ed94038971b1b20fbd0ec21aaa SHA-1: dd7b49d0611f651c51dd6b4f0736c17907b331e0 SHA-256: b5fcfc7ad607019e766650c8bf4f419d26bc3d0d40821f0740432e8885ce5e8f

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains an embedded URI pointing to 'trafftec.ru', which is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, suggests a lure related to game downloads, aligning with common phishing tactics.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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://trafftec.ru/123?utm_term=pokemon+x+randomizer+cia PDF link annotation
- https://site-1168155.mozfiles.com/files/1168155/18156561773.pdfIn PDF document text
- https://cdn.sqhk.co/seponidozit/hjjdtuS/turbo_driving_racing_3d_old_version.pdfIn PDF document text
- https://site-1166674.mozfiles.com/files/1166674/52209685354.pdfIn PDF document text
- https://cdn.sqhk.co/bulixanejad/jMmjdwD/final_fantasy_xv_ps4_store.pdfIn PDF document text
- https://site-1203132.mozfiles.com/files/1203132/home_radio_philippines_online_streaming.pdfIn PDF document text
- https://cdn.sqhk.co/kurotevu/Igfjcha/logo_quiz_expert_level_7_answers.pdfIn PDF document text
- https://cdn.sqhk.co/xakelafu/GQjdAPI/magagub.pdfIn PDF document text
- https://cdn.sqhk.co/videgogaf/cNtjhib/fruit_carving_designs_for_wedding.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/rekawexuretowo/free_printable_choir_music_sheets.pdfIn PDF document text
- https://s3.amazonaws.com/dazinibonofobi/dictionary_words_with_b.pdfIn PDF document text
- https://s3.amazonaws.com/numegubowalonan/fasutazuwupifopaxudofibop.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d399.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD399	5060 bytes
SHA-256: `dd6c77145b65c2a3a6cb483ad8817924e5ad513c6e3ab4873ea7e7ed1ca1ae22`
`font_01_sfnt_off0000e4cb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE4CB	11188 bytes
SHA-256: `ccc8df73836138173a857ae99a490942a191f97b3214ce6ce92770340213cae2`

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