Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a1a9d201c54ae3d…

MALICIOUS

PDF

79.7 KB Created: 2021-03-02 16:43:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 3eaf546b7822819bec9c6b0f3aebbfba SHA-1: 155dc3acfffd3a92cf5ebdc3b5585b1411c6cb8e SHA-256: 3a1a9d201c54ae3d6b5db467b1585381f6c78cc160104ede38035218c177779a
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that mimics a search result for educational material, likely to trick users into clicking it. The presence of PDF_URI and EMBEDDED_URL heuristics further supports the phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://jottigo.ru/strik?utm_term=pre+algebra+book+online+free PDF link annotation
    • http://wumewil.sportsontheweb.net/how_do_you_provide_safety_in_the_workplace_response_brainly.pdfIn PDF document text
    • http://niwizonoleror.mywebcommunity.org/what_is_the_best_shop_vac_brand.pdfIn PDF document text
    • http://vipadobotisituz.mygamesonline.org/47458671821.pdfIn PDF document text
    • http://mugukix.mygamesonline.org/hamilton_flexbrew_how_to_use_k_cup.pdfIn PDF document text
    • http://memowelubi.mygamesonline.org/sentence_openers_ks2_examples.pdfIn PDF document text
    • http://toboxifazakun.22web.org/is_james_allen_a_good_place_to_buy_a_ring.pdfIn PDF document text
    • http://lupelisizi.medianewsonline.com/brother_gx-6750_daisy_wheel_electronic_typewriter_manual.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/fomaralunex/hypoglycemia_in_neonates_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/libusamagowuvo/74925888117.pdfIn PDF document text
    • http://fasekefap.epizy.com/flexible_cuttable_mirror_sheets.pdfIn PDF document text
    • http://laxowukuwex.epizy.com/foxefavumomimilemenazum.pdfIn PDF document text
    • http://zipemoluligera.myartsonline.com/5693465108.pdfIn PDF document text
    • https://s3.amazonaws.com/rezugekolaba/daburidixipow.pdfIn PDF document text
    • https://s3.amazonaws.com/nilititonawafim/repujewonofifetidimejogu.pdfIn PDF document text
    • http://xezorepolik.epizy.com/43724081121.pdfIn PDF document text
    • https://s3.amazonaws.com/mogedozara/vipeririluzi.pdfIn PDF document text
    • http://rigirulame.epizy.com/sorrento_italy_map.pdfIn PDF document text
    • https://s3.amazonaws.com/lefemijip/54164666860.pdfIn PDF document text
    • http://xirexadugimog.atwebpages.com/76612910528.pdfIn PDF document text
    • http://pumejusatojajeg.rf.gd/4138475241.pdfIn PDF document text
    • http://pivujumurabaf.epizy.com/kifibosiwaf.pdfIn PDF document text
    • http://jefebewo.epizy.com/agile_testing_strategy_template.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_off0000eeb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEB7 4672 bytes
SHA-256: 1a5b8ce5825fda0446351997a3993a0be61ff06d4d4aca65374a03f1c2e5f983
font_01_sfnt_off0000fe98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE98 10640 bytes
SHA-256: 2b07ef47f8245d979341309bf5e6f8f06d9bd3ae4d38c62cb180c7c56e1d14d1
font_02_sfnt_off000122ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x122AD 4324 bytes
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c

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