PDF malware analysis — malicious · 9c30a62b6b75c58d

MALICIOUS

PDF

78.4 KB Created: 2021-03-09 13:44:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22

MD5: 9eb31810b639908658d07b13f2900a8a SHA-1: d9381e23393561f0729525bea65180d013e1ebf5 SHA-256: 9c30a62b6b75c58deb89cd09254ec65e60afb1cb713d4ac0f74f5bc4e3a94156

216 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous external links, many of which are part of a link farm designed to appear as legitimate content. The 'SE_PASSWORD_ARCHIVE_LURE' and 'SE_CALLBACK_LURE' heuristics suggest the document is part of a phishing or scam operation, potentially masquerading as a service code lookup to trick users into clicking malicious links or calling fraudulent numbers. The ML classifier and ClamAV detection strongly indicate malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 7

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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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://soxebez.ru/wix?keyword=lg+k10+hidden+menu+service+code PDF link annotation
- https://puwedogomep.weebly.com/uploads/1/3/1/3/131382223/4231057.pdfIn PDF document text
- https://pefibiwurabamiz.weebly.com/uploads/1/3/0/8/130874510/zelil-nekubofivalo-xenixuruga-dasatapagora.pdfIn PDF document text
- https://kuginipa.weebly.com/uploads/1/3/4/8/134853520/vajowamivobaza-luxup-xoguxinu.pdfIn PDF document text
- https://ramitafot.weebly.com/uploads/1/3/4/3/134340854/39d374bdc2f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368218/normal_60175f6ecc90b.pdfIn PDF document text
- https://furamakivagoj.weebly.com/uploads/1/3/0/8/130814247/sugegapal.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456128/normal_603d4033c62b3.pdfIn PDF document text
- https://sozazoje.weebly.com/uploads/1/3/1/1/131164180/buxemofosa_pefetut_gafulasabovo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447087/normal_602d00c58038b.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://df9240ce-57b4-430e-a582-521170ca5232.filesusr.com/ugd/10b03a_346fa5cbaed34c68be7cdba05a9dbd44.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gezetega/principales_tipos_de_comunicacion.pdfIn PDF document text
- https://71347f20-8353-4153-bebc-dd2a28b3a5cf.filesusr.com/ugd/a382ee_7f86a5fe8418434ca52d28c4696971f1.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fizufapu/tree_diagrams_corbettmaths_answers.pdfIn PDF document text
- https://s3.amazonaws.com/xovajukoxin/guide_gault_millau_france_2018.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e8bc9a1c-e1da-41d9-a54c-9f5b0bc161ee/how_much_horsepower_does_a_tesla_model_3_long_range_have.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eb4d860e-5425-45bc-92df-8427c242c98b/mipotonazewigu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d7e69f15-c012-4247-a795-9021a1900b91/spelling_practice_book_grade_4_teacher_edition.pdfIn PDF document text
- https://1b6fe947-be7e-4494-9a94-f566f178d3d1.filesusr.com/ugd/89064d_ed4723ee7ff24e40b181054c34563f21.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/muwomapotumugi/online_application_form_fergusson_college_pune.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_off0000ed8e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xED8E	5368 bytes
SHA-256: `11f9fec50dae4cd7a529b3ecce4ce3432901e1a5298391f53d8c70f898a1acab`
`font_01_sfnt_off0000ffc2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFFC2	14464 bytes
SHA-256: `91b82dffb201a21c59fab4dd9573f1cfebc945234c2f56c840cf3bd34e8e5a6f`

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