PDF malware analysis — malicious · 84abdd090a74762d

MALICIOUS

PDF

70.2 KB Created: 2020-11-28 00:47:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-27

MD5: b738a70334a31e0c05bd48cdc98aadca SHA-1: d26400ecafb55991be0f73c8b78edcd09c5c21b5 SHA-256: 84abdd090a74762d47f25d821d7d4b2755c2361a6b6290219b33a14e1b983b96

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URL that points to a suspicious domain, identified by heuristics and ClamAV as malicious. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains text fragments that suggest a lure related to 'pv annuity table pdf', aligning with a phishing attempt.

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://traffnew.ru/aws?utm_term=pv+annuity+table+pdf PDF link annotation
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/0e04a9ea-a26e-4d06-b541-c5569fafad59/quinny_speedi_sx_ersatzteile.pdfIn PDF document text
- https://s3.amazonaws.com/memul/story_writing_in_english_for_class_10.pdfIn PDF document text
- https://s3.amazonaws.com/xenavuxa/visual_studio_code_javascript_formatter.pdfIn PDF document text
- https://s3.amazonaws.com/susopuzupure/72172748109.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d75a521b-89be-40e5-a966-dc848ecf2142/69167709080.pdfIn PDF document text
- https://s3.amazonaws.com/kovilowab/pixarewazuvetokirapizebo.pdfIn PDF document text
- https://s3.amazonaws.com/fazujo/letter_e_crafts_and_activities.pdfIn PDF document text
- https://s3.amazonaws.com/ginutu/30007839284.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4169403-ba0d-450b-99e6-149e659c4ef8/magnets_and_electromagnets_ks3_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/memul/pevozuninilufumaf.pdfIn PDF document text
- https://s3.amazonaws.com/kexamoxusinixu/tudagomebomitaberepe.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d67c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD67C	5064 bytes
SHA-256: `654cdfcb222d571e0d2e3981e2711f570d50d6dcffde9b5542ac329d82c84422`
`font_01_sfnt_off0000e7d8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE7D8	10668 bytes
SHA-256: `c604c09f2b20d5fc7ddf05748815641dac5730494ac255d13786d775efaf01de`

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