PDF static analysis report

Static analysis result for SHA-256 cae728aba8f3a163…

SUSPICIOUS

PDF

329.1 KB Created: 2021-03-14 20:18:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: f9187c8e4a72cf6a76be1de6d518d15a SHA-1: b22858ffb2dd3f6de1d7cb9f1797dcffb55b3376 SHA-256: cae728aba8f3a163baefc73327d8fb24e2b8f0589794191597cfe50ca09bdc96
36 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 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 0.9962

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://kuzutuzo.ru/wix?keyword=tomb+raider+1+strategy+guide PDF link annotation
    • http://lerimofo.mywebcommunity.org/affairs_cloud_december_weekly.pdfIn PDF document text
    • http://widonatozeg.mypressonline.com/kezudugatuzu.pdfIn PDF document text
    • http://zuzorovix.scienceontheweb.net/74722282251.pdfIn PDF document text
    • http://natosabi.mygamesonline.org/tratamiento_de_atresia_de_vias_biliares.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379851/normal_5fea03572dc68.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4458849/normal_602f810fa16e5.pdfIn PDF document text
    • http://dipunag.getenjoyment.net/fitonikebad.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/ce5f8dde-a06d-461a-95f5-2fc1be0f835c/bible_study_for_newly_married_couples.pdfIn PDF document text
    • https://edcb5511-827b-40b0-97c1-3499c313f96b.filesusr.com/ugd/0779a3_d7b9748c75f8404f8834af0bd07fee6e.pdf?index=trueIn PDF document text
    • https://91e55214-10ad-44cf-a10a-60a9392df58b.filesusr.com/ugd/e1c37d_2c4cdb05b7604f33b6412af8e2870e0d.pdf?index=trueIn PDF document text
    • https://d4f4546a-a836-4b3d-8651-c56b89608eca.filesusr.com/ugd/3e9e83_01cf048247bd4c6a997ba7e10aef5eba.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/5a59b5a7-3afa-4236-80b1-d8c4d97398d4/how_to_read_a_person_like_a_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/da853dad-714a-4134-bac9-9ddbe336e7a4/38211723576.pdfIn PDF document text
    • https://21d44941-995c-48b9-956b-8145330e20d5.filesusr.com/ugd/577b75_2ad9afac2d4b49abbe12778e892c488e.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/bed1ec05-c779-4617-9e6a-0ef6842334ca/dirt_devil_hand_vac_cloth_bag.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/577d8869-8946-434a-bba6-3cf633bb2735/17513402768.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e2a3520f-6057-41fe-997a-fe3ce86bdf54/data_structures_and_algorithms_in_c_goodrich_download.pdfIn PDF document text
    • https://8d5bcf17-53f2-4f21-b585-7a27aef14131.filesusr.com/ugd/7baf93_f464f15fb437449d8b1cc7baece2e4c0.pdf?index=trueIn 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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn 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_off0004c594.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C594 5356 bytes
SHA-256: 3a3298f72b875585de922b79ae7c6a88895679fe5e648647be547667ab3f85ff
font_01_sfnt_off0004d7bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4D7BB 11996 bytes
SHA-256: d32d4532a4d33558bec8d89d6d3f63b6de4a614fda58d6e366040a3496b62b34
font_02_sfnt_off00050066.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x50066 16204 bytes
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15

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