Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1af0b311b8bdf93…

MALICIOUS

PDF

73.8 KB Created: 2020-12-02 00:40:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 895a17daf85e54d82840c55f438bdaba SHA-1: 2a0ab082b346f733d7d96d31699aff570aaad9c6 SHA-256: c1af0b311b8bdf939b6b1fefb57942f43b294c9361c64da7d9b7a1884c2982d6
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9997

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://trafficel.ru/strik?utm_term=how+to+survive+the+loss+of+a+loved+one+book PDF link annotation
    • 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://static1.squarespace.com/static/5fc0e01f2cf09257bd6be9c2/t/5fc4940ee6d49a06bb24b476/1606718480965/zidikudabineduwirugakawi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ab4552ad-5579-4430-889f-325694ec4e58/ketuzuvutuz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9e9b7ead-7857-4663-9cce-66e2f9fb78f5/binobisi.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cee068d4-0e8c-4f2a-abc7-2db7b09c1875/febiso.pdfIn PDF document text
    • https://s3.amazonaws.com/webipejonavuv/catalogo_bticino_living_now.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/89291c21-6709-4027-983f-5c2634422f07/98601539373.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/539badad-bf85-4333-ae8c-b1bec1ee6ecb/my_bodyguard_movie_wiki.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc4f91fa3bf4b14abc32683/t/5fc59d0c3c02f22b9dcdac7f/1606786316828/43665786221.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc13f7d5687f52b6b837984/t/5fc54225145a8629dc5d54f6/1606763047857/john_deere_z445_parts_catalog.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0d135bf71053ccb0fc630/t/5fc0dcfd18e72e5fdbf78226/1606475006323/29809638123.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a1a12707-1ab0-4f5d-bb49-7bb892c8db63/becoming_your_own_banker.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc2945e27a199023ac02054/t/5fc5c6203570fb44d1cb05c7/1606796834293/12716575748.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

Related samples 1

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d7d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7D1 5196 bytes
SHA-256: cff73f7248b83def404853aff06f50d8476e627be74ab6b63c69a863cd2bef3d
font_01_sfnt_off0000e982.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE982 10140 bytes
SHA-256: 182701483cfe39a653d2596686c446929d748f9000aae5eb6d440d2b9fc0a125
font_02_sfnt_off00010bb4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10BB4 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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