Malicious PDF — malware analysis report

Static analysis result for SHA-256 2b4658de38cc122b…

MALICIOUS

PDF

618.8 KB Created: 2021-03-05 18:04:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 6d8427ee3215e61a6e628a4f646a4379 SHA-1: ee4827c34810d3e479e9a80d75712d46c9414cfa SHA-256: 2b4658de38cc122baeb21d492e0575b76793d409115c09272762b01cbe58c06e
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The document body, though heavily obfuscated, appears to be a lure related to a product listing, suggesting a phishing attempt. The presence of multiple external URLs further supports the phishing vector.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6887

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://jottigo.ru/aws?utm_term=howard+miller+galliano+clock+coffee+table PDF link annotation
    • https://cdn.sqhk.co/woxemumi/avuiiig/rush_hour_full_movie_free_download_in_tamil.pdfIn PDF document text
    • https://dudobafileziv.weebly.com/uploads/1/3/5/3/135331993/49cecb55.pdfIn PDF document text
    • https://ladufuvugekowek.weebly.com/uploads/1/3/4/1/134108614/welik-gapolo.pdfIn PDF document text
    • https://cdn.sqhk.co/bosamame/9uh48O4/lock_screen_wallpapers_iphone_11.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4386613/normal_60026d19e6411.pdfIn PDF document text
    • https://cdn.sqhk.co/wuwoxegolewa/Glo4vih/mediaf_re_descargar_undertale.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365580/normal_6010f80224fe0.pdfIn PDF document text
    • https://cdn.sqhk.co/vobevufubito/p1piahe/5010448979.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4464524/normal_600ad6950826c.pdfIn PDF document text
    • https://cdn.sqhk.co/bumajanivosi/ehuLxAL/89145301285.pdfIn PDF document text
    • https://donodofi.weebly.com/uploads/1/3/1/8/131856097/5368034.pdfIn PDF document text
    • https://tevirilozarenov.weebly.com/uploads/1/3/2/6/132695732/gavenenutekati.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486566/normal_5fcd8c7c9c12f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://ed4d48c2-14ea-47f5-a89a-b82193587323.filesusr.com/ugd/8ce377_7a18451ea74d4b81a9330d0b3f2303f7.pdf?index=trueIn PDF document text
    • https://2c9641c8-5874-4869-9b94-f1378e60aa6b.filesusr.com/ugd/efc1f6_0fea4e84811944eda6a70033d01d341a.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/mogipegi/26429652542.pdfIn PDF document text
    • https://ee897e78-a157-4eb5-8a47-d615096087a2.filesusr.com/ugd/113e89_ba78ea886a264f7e90b2a18e6d8829cc.pdf?index=trueIn PDF document text
    • https://d046670e-94b8-4ea2-8efc-69fca9b502c9.filesusr.com/ugd/c0b427_4302d1a122a04c6b9632b6412b232516.pdf?index=trueIn PDF document text
    • https://77483064-5892-4b52-b419-66e751946b77.filesusr.com/ugd/ef7b09_9063befb594a4554b8ac0dd4d2fca6cc.pdf?index=trueIn PDF document text
    • https://3c4962d9-41f7-4f14-8396-dad57cc8de20.filesusr.com/ugd/a2de88_eab25aafed3c4382a79003f5a9fbeb70.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/wewuxuviwar/flamenco_dance_performance_madrid.pdfIn PDF document text
    • https://s3.amazonaws.com/watajive/babri_masjid_attack_video.pdfIn PDF document text
    • https://75edee45-cd08-43cb-a752-0c33e5c2343f.filesusr.com/ugd/a7c173_c31715b418f24fc7bf523fea0514f03b.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/gomaxod/neramobanututekuge.pdfIn PDF document text
    • https://ce099f17-eb12-430b-a452-8d789b3ee5a8.filesusr.com/ugd/aef5b7_187fe17e98be4928bdeadbe880e10f8c.pdf?index=trueIn PDF document text
    • https://e192e36c-395d-4660-9df6-aa7aed00c30a.filesusr.com/ugd/3aee12_442727882a4442a39451b9dc4de0b82b.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0009576d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9576D 5420 bytes
SHA-256: 80fa3c6c8463b522b10549c26edf70dcf4c408e12a9eba21818a4771f4636571
font_01_sfnt_off000969e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x969E1 14332 bytes
SHA-256: 70117defc66ecba3b8ed89d520cedab4beb4feb819449f239036587d32cada2a

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