MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, contains references to 'sourdough' and 'wkhtmltopdf', hinting at a lure to disguise the malicious nature of the links. No scripts were extracted, but the presence of numerous external links points towards a phishing or scam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://catamma.ru/pbw?utm_term=how+to+bake+sourdough PDF link annotation
- https://gurogujanesoxub.weebly.com/uploads/1/3/4/5/134506981/3246745.pdfIn PDF document text
- https://wikabolodaj.weebly.com/uploads/1/3/4/6/134648749/9734955.pdfIn PDF document text
- https://jopalezaleloloj.weebly.com/uploads/1/3/1/3/131380469/5423996.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454421/normal_606646755ac99.pdfIn PDF document text
- https://venowogofopow.weebly.com/uploads/1/3/4/6/134611371/8e5021.pdfIn PDF document text
- https://jugurapofan.weebly.com/uploads/1/3/4/3/134339640/941e5ace69f8.pdfIn PDF document text
- https://taxufutusa.weebly.com/uploads/1/3/4/5/134514166/kudiz.pdfIn PDF document text
- https://dowozazufexu.weebly.com/uploads/1/3/4/6/134606261/muripokutuzod-fakovo.pdfIn PDF document text
- https://lukogazusewof.weebly.com/uploads/1/3/4/6/134643336/veziraxuvezag_wizoxefo_xezomosisew.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415769/normal_604016fa465f6.pdfIn PDF document text
- https://fadesirowawilej.weebly.com/uploads/1/3/1/6/131606674/mepomewikurijur.pdfIn PDF document text
- https://vowipolijej.weebly.com/uploads/1/3/4/7/134713390/dopilopiluwobe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485448/normal_6045bbf140223.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4491725/normal_5fe1575a3ac10.pdfIn PDF document text
- https://jofexudu.weebly.com/uploads/1/3/5/2/135295173/tenevavuduwixaro.pdfIn PDF document text
- https://zuwexonoporij.weebly.com/uploads/1/3/5/3/135317719/guponikavonafi-novudama-dogifaze.pdfIn PDF document text
- https://somomakimemabox.weebly.com/uploads/1/3/2/7/132741269/nirone-gebifer-kisegasaruzabo-nopelaji.pdfIn PDF document text
- https://menekagamop.weebly.com/uploads/1/3/4/0/134097565/konirisuxes.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/fcd90097-c473-4971-99e4-b5d425213c14/60875561449.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0414398d-3990-4eac-8100-3e95f106fe1d/rakuzapolapapamomo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/62365637-8537-4581-ad0a-b647d3afc6df/punikugezigaxexamag.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_off0000fbba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBBA | 5312 bytes |
SHA-256: 133caeb1b3c04057fd43d979301e50360a835747f6384bf867260feb3bfb61cb |
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font_01_sfnt_off00010dd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DD2 | 11140 bytes |
SHA-256: 3d2dd9eb16238bef174889035875c17ec94466419defc1e68eaca0cbe10f268a |
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