Malicious PDF — malware analysis report

Static analysis result for SHA-256 86abc63176181845…

MALICIOUS

PDF

149.3 KB Created: 2021-03-30 22:49:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 2203c84a366a0d1fe504bf964b48b41e SHA-1: db88298f0281c6b4d68188a303808bbd44ac595f SHA-256: 86abc6317618184550dda8566ac92eb23ac212e445ef3e499fdb0da54b017e72
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, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, which is a common tactic for phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9985

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://jumiwimov.ru/strik?utm_term=plan+y+programas+2011+primaria+cuarto+grado
    • https://cdn.sqhk.co/wogokodu/jidoKjf/74984307891.pdf
    • https://tiketarutuluvo.weebly.com/uploads/1/3/4/0/134042831/dazoro-wogaxelemopafer-tebuzadumezur-muzefufefagaj.pdf
    • https://cdn.sqhk.co/dofexoxev/ehhWYgi/27291585597.pdf
    • https://pawonojureva.weebly.com/uploads/1/3/4/5/134522231/zadomuzorubelinux.pdf
    • https://fiwitoritare.weebly.com/uploads/1/3/4/5/134582968/godekarojudixaf.pdf
    • http://kavakedego.scienceontheweb.net/the_celebrated_jumping_frog_of_calaveras_county_story.pdf
    • https://zabagazepag.weebly.com/uploads/1/3/4/4/134498959/wonumorilipok.pdf
    • https://sezariserafuf.weebly.com/uploads/1/3/4/6/134673330/sifigegu.pdf
    • https://cdn.sqhk.co/tememagitapo/iimQjf9/65754035143.pdf
    • http://netolenogafa.getenjoyment.net/71688583089.pdf
    • http://kuwawaf.mypressonline.com/reeds_naval_architecture_for_marine_engineers_free_download.pdf
    • http://desawigoxikugaw.mywebcommunity.org/benefits_of_banana_peel.pdf
    • https://cdn.sqhk.co/bitijude/jfgdwmK/future_fight_shadowland_guide.pdf
    • https://tusosalowikos.weebly.com/uploads/1/3/1/4/131453146/zodumedawo.pdf
    • https://nobobigo.weebly.com/uploads/1/3/4/4/134403715/3012615.pdf
    • https://sitizoxibe.weebly.com/uploads/1/3/4/3/134317871/nudenux.pdf
    • https://tigasedoxopafu.weebly.com/uploads/1/3/4/7/134707490/a96ec451451b7.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://refusunono.onlinewebshop.net/70053653625.pdf
    • https://uploads.strikinglycdn.com/files/2e2cfbad-8abb-49ca-a615-fda20f65421f/nombres_de_los_libros_de_la_biblia_del_antiguo_testamento.pdf
    • https://uploads.strikinglycdn.com/files/34dd5aa3-c2ea-45f8-ae0b-8c1767a7ddee/carrier_weathermaker_9200_service_manual.pdf
    • https://uploads.strikinglycdn.com/files/4df5c8d7-db9a-4132-8a90-111f74f0200c/vox_ac30c2_for_sale.pdf
    • http://disoluje.myartsonline.com/bodyboss_nutrition_free.pdf
    • http://nuwadolonopip.onlinewebshop.net/woguzejifenowigusevanip.pdf
    • https://uploads.strikinglycdn.com/files/69cd9a1e-c3a1-4fa0-af9e-ceee51afd8b3/70787018231.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001fbb6.bin
e1d67c90d9a2e94dac533729c1c2bf8adb23bde70be27f0c9a465a49445b20f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1FBB6 5584 bytes
font_01_sfnt_off00020e99.bin
1499c22e4425436d4930cbd3b0ddd6cdc6eaffc4ace3f39ff09d8c757963205a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x20E99 12860 bytes
font_02_sfnt_off00023755.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23755 4324 bytes

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