Malicious PDF — malware analysis report

Static analysis result for SHA-256 03b141f341773fe1…

MALICIOUS

PDF

78.4 KB Created: 2021-03-09 21:25:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: ea06df96a1bbcf7b3fb3725025a3e337 SHA-1: b3be0380abadadbeed1190f78346d732b924fba0 SHA-256: 03b141f341773fe1efc14cc0126c102a3f4432da86ab9d13f6e5437e7bfc7a22
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://druttle.ru/strik?utm_term=sangean+pr-d5+am%252Ffm+portable+radio PDF link annotation
    • https://cdn.sqhk.co/mugegiduveb/vghgdjf/pokemon_cards_worth_money_1995.pdfIn PDF document text
    • http://toworugesolur.getenjoyment.net/48494974061.pdfIn PDF document text
    • http://nutosuvitiraj.scienceontheweb.net/phrasal_verbs_with_get_exercises.pdfIn PDF document text
    • https://cdn.sqhk.co/moxibusas/dhf8ifo/sojunituvabinabinom.pdfIn PDF document text
    • http://veselutut.mywebcommunity.org/big_short_cast.pdfIn PDF document text
    • https://cdn.sqhk.co/libobivole/gcgfpih/v_live_bts_run_ep_112.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/posufij/95953474040.pdfIn PDF document text
    • https://s3.amazonaws.com/robumuduluwise/gajefi.pdfIn PDF document text
    • https://s3.amazonaws.com/purixifusipelid/xujatikefelufudawuj.pdfIn PDF document text
    • https://s3.amazonaws.com/xukirizugukugi/nelofe.pdfIn PDF document text
    • http://kubowulurarekij.myartsonline.com/murder_in_the_knife_room_wiki.pdfIn PDF document text
    • http://lisotabisalak.epizy.com/workbook_template_indesign.pdfIn PDF document text
    • https://s3.amazonaws.com/sojaxub/command_and_conquer_generals_2_for_android.pdfIn PDF document text
    • https://s3.amazonaws.com/jalasilunaz/xoramo.pdfIn PDF document text
    • https://s3.amazonaws.com/zifozujiwi/pmp_exam_prep_free_download.pdfIn PDF document text
    • http://vigujabufovejo.rf.gd/85700852412.pdfIn PDF document text
    • http://wonanikapudidak.atwebpages.com/wovateselifufalotatalomi.pdfIn PDF document text
    • https://s3.amazonaws.com/wixatax/bizosedajizavaloralexa.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e87f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE87F 3112 bytes
SHA-256: b3001a7318c59936dac344ce4ca72bb4d16801759166e38a0400c89bedbe4f34
font_01_sfnt_off0000f3a8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3A8 5620 bytes
SHA-256: f7c9117b5356f8899b1cce9a882556a1845b2b8e93cff15e725db76de1c46db5
font_02_sfnt_off000106c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106C0 11036 bytes
SHA-256: d2230deb89704fc82a3dc61928798b9f2dc2d7b27225da9473b3491f5e02279c

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