PDF static analysis report

Static analysis result for SHA-256 18c8907c8a65386d…

SUSPICIOUS

PDF

45.1 KB Created: 2020-11-05 19:43:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 137ad18e85b7ac2234c67f62fa15573a SHA-1: 93525e94ae941983e224baa02630c03d70582f0e SHA-256: 18c8907c8a65386d9aa38896b2dec2c1c17379cd9595695f9193d346843db840
36 Risk Score

Malware Insights

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

This PDF document was flagged as suspicious by 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 1.0000

Heuristics 3

  • 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://trafficel.ru/strik?keyword=letter+of+loan+satisfaction+form PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4368954/normal_5f8d118e346fa.pdfIn PDF document text
    • https://setumimirakav.weebly.com/uploads/1/3/2/6/132681532/ropusiravugogatu.pdfIn PDF document text
    • https://pelixenebedevo.weebly.com/uploads/1/3/4/3/134338689/d76941c26a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413231/normal_5fa0cde07815b.pdfIn PDF document text
    • https://togitarusufojir.weebly.com/uploads/1/3/2/6/132681229/wejavorunumebos-wetifiwenekax-gifuxopax-fupupifalapez.pdfIn PDF document text
    • https://tuwijojax.weebly.com/uploads/1/3/4/4/134477229/fipixovaw_fanoje_zakepekemage_nufasosileje.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369153/normal_5f8d6fff74738.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://uploads.strikinglycdn.com/files/163fc514-1cf9-484c-af23-19483ce76a50/xotonomasigukepituxa.pdfIn PDF document text
    • https://s3.amazonaws.com/warapagefasovi/kekabineje.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/081447e4-8135-4d7f-86d2-f4628bbdeef6/intex_saltwater_system_troubleshooting_code_92.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c5e4e25b-739e-4e65-8fe3-efa9c079feac/gugofani.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/36a1ccf7-076c-4519-b66a-3124546cec51/gelekivivapap.pdfIn PDF document text
    • https://s3.amazonaws.com/ropuba/tilogasitetefolopi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0de8b478-f186-4459-b394-8ef1103fd91a/65284305922.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_off00006594.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6594 4756 bytes
SHA-256: 8d0924fb421a7cf32fefb7c1376e4b4e8d670b2124b8a40b9730c135e5700c70
font_01_sfnt_off00007596.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7596 10512 bytes
SHA-256: 5f13e902368e0ca36cd8b334d312ddda6ac356c53afbefb82752b995b8d5c826
font_02_sfnt_off00009905.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9905 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378