PDF malware analysis — malicious · 7292fa1b6ddc2210

MALICIOUS

PDF

63.2 KB Created: 2021-02-17 03:51:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15

MD5: 8c2b41ce8adc823f76d34fb7eb474f20 SHA-1: b836cc0e0bc1e31659187aa2e34b30b75b0faad6 SHA-256: 7292fa1b6ddc221002082ad047072077742ea1dfe0411f0846f4b4b91d8f54ef

124 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains multiple embedded URLs and is flagged by heuristics as a link farm on disposable hosting, indicating a phishing or scam attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs are typical of phishing lures designed to redirect users to malicious sites.

Machine Learning

Nyx PDF Classifier malicious score 0.8681

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
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
External URI info PDF_URI

PDF contains an external URL action
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://leonvi.ru/strik?utm_term=feliz+navidad+jose+feliciano+y+ni%25C3%25B1o+letra PDF link annotation
- http://cleanup-sale.site/54125696523q7xxp.pdfIn PDF document text
- http://khanapoorti.com/kozesivonebufazajg95r.pdfIn PDF document text
- http://wowitaly.pro/information_about_al_noor_mosque_sharjahedy3z.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502920/normal_5fdaabb203bf1.pdfIn PDF document text
- https://cdn.sqhk.co/feletitami/jdhdhhe/17602323346.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380695/normal_6010f24e2468f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4427529/normal_6004b0701e510.pdfIn PDF document text
- https://cdn.sqhk.co/dimowitop/cbheHhc/bawexovik.pdfIn PDF document text
- http://carinsusa.info/dofojzfgp6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382618/normal_5fdf9af296c8f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381082/normal_6020b5d0307d9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447278/normal_5fe7931c9bef4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/xeponodij/bijupu.pdfIn PDF document text
- https://s3.amazonaws.com/pibabopuduj/46044361439.pdfIn PDF document text
- https://s3.amazonaws.com/fuvidokibet/adobe_spark_instagram_stories_template.pdfIn PDF document text
- https://s3.amazonaws.com/votuweroxigezog/44304125542.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000de9e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDE9E	5472 bytes
SHA-256: `1329419e7b590e8b0872676185f968b2b1ac4e61fe31966d539ea95f34a41b37`

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