Malicious PDF — malware analysis report

Static analysis result for SHA-256 3b142bc8a56ee7e5…

MALICIOUS

PDF

77.6 KB Created: 2021-04-24 23:53:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: bde715d207d014aadfcfd9155fd2e582 SHA-1: dd4d2b45603d0b27b9362fc3fd823797a3fb5c61 SHA-256: 3b142bc8a56ee7e56d55223cec8de7f06222837e49e865efaf7cfe37da1666f1
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 0.9991

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://dafemum.ru/strik?utm_term=ic+engine+parts+material PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4368767/normal_5fe1ee1791f2a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471682/normal_60146b697c13f.pdfIn PDF document text
    • http://gagivukamuw.getenjoyment.net/maus_art_spiegelman.pdfIn PDF document text
    • http://maritimog.medianewsonline.com/essentials_of_pathophysiology_free_download.pdfIn PDF document text
    • http://gekodejevotug.medianewsonline.com/nizedubabuginefisumaleta.pdfIn PDF document text
    • http://setafugeridol.scienceontheweb.net/aquaero_6_lt.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4390095/normal_5fcece15bd81d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487918/normal_602c700c54ede.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420039/normal_6003a37f9bc3c.pdfIn PDF document text
    • http://xevamoz.mygamesonline.org/ameritron_al-811h_linear_amplifier.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/purixifusipelid/college_algebra_7th_edition_stewart_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/gorajikunobixi/examples_of_community_gatekeepers.pdfIn PDF document text
    • https://s3.amazonaws.com/bipepezuwed/civ_6_gathering_storm_include_rise_and_fall.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1ad9a4a6-aa9b-44c4-9a2b-1b7d9053a75f/tewinumibutugovipadelamil.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8650c155-6495-4d10-b090-d321bcd5378b/planet_fitness_gym_cancellation_letter.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/756d1507-e578-40ea-a440-f863ed108981/74801631575.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/18b5a535-4f15-4425-9389-dfad3cdc3304/61735638115.pdfIn PDF document text
    • http://vugugemo.atwebpages.com/junidizisulasurekupeson.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4a2ee1e4-8c9a-4c00-9aef-7d28a96ed739/47199025848.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c5bcb572-e02f-48c9-b7c5-e6dff50a6ec4/wevazirexobudopelufolag.pdfIn PDF document text
    • http://loxupobupibim.atwebpages.com/anemia_penyakit_kronis_adalah.pdfIn PDF document text
    • https://s3.amazonaws.com/tinezedu/a_streetcar_named_desire_scene_6_summary.pdfIn PDF document text
    • https://s3.amazonaws.com/vaxebisapesi/jevepowupinemo.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_off0000e5bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5BF 4868 bytes
SHA-256: da2fc6ab1e4af76200f54c0bd834f640bc73f96cbf13d1606ffa7f08a024bac9
font_01_sfnt_off0000f61e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF61E 10784 bytes
SHA-256: 1b9984590e15a8e14ce3cdd17415d0a9300c3f0926da48cbf6904e2dccec6e7e
font_02_sfnt_off00011abc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11ABC 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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