Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ae8922882699118…

MALICIOUS

PDF

66.1 KB Created: 2020-11-29 12:28:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 602a8308c416f9dd3cd6a310ad6a2bc2 SHA-1: 9b5c9944f972c4bedc94a5e77f4cf0a2a67b422b SHA-256: 6ae892288269911851dd9ee305d217a9274ba3fbb4ab06285cbd6ad0386590fa
156 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 a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://traffset.ru/strik?utm_term=print+envelopes+from+excel+data PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4479213/normal_5fae48186cf89.pdfIn PDF document text
    • https://rakamukomegu.weebly.com/uploads/1/3/2/6/132681656/bijawixevibo-metamosukes-jekulukiz-tesoromiwi.pdfIn PDF document text
    • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/gapovowumepekegosiza.pdfIn PDF document text
    • https://norigawe.weebly.com/uploads/1/3/3/9/133988483/4909986.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369150/normal_5fa8670562374.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/juzinaramip/purabevodar.pdfIn PDF document text
    • https://s3.amazonaws.com/potamotaz/89003847957.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/601b4284-a9b8-4832-8266-b7ef053db40d/92452401499.pdfIn PDF document text
    • https://s3.amazonaws.com/fowikorejodi/tapexolevitudalekukebij.pdfIn PDF document text
    • https://s3.amazonaws.com/gopuze/58106928066.pdfIn PDF document text
    • https://s3.amazonaws.com/sajezife/faithless_love_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/rupatojuko/toguzubojajapozuzufip.pdfIn PDF document text
    • https://s3.amazonaws.com/wulagisi/14820266950.pdfIn PDF document text
    • https://s3.amazonaws.com/wenobagupexekap/how_to_play_bamboo_flute.pdfIn PDF document text
    • https://s3.amazonaws.com/jeworurowam/30526027269.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 8

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_off0000ba84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBA84 5216 bytes
SHA-256: 7b4f94aa4840d90ab4e963ec4e158a7a4e59598b431bdce1fa78358aa3922b84
font_01_sfnt_off0000cc22.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC22 9772 bytes
SHA-256: 2ee095b202d8e2ef0531a52a7330c5cccfbac7f1f848d2b4d50519d647b17114
font_02_sfnt_off0000ed98.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED98 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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