MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
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 of which point to disposable hosting, suggesting a link farm designed to redirect users. The document body, though heavily obfuscated, contains references to 'Stihl fs 90 parts manual pdf', which is likely a lure to attract users to click on the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://maypoin.ru/strik?utm_term=stihl+fs+90+parts+manual+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4422378/normal_601b2dee7a03e.pdfIn PDF document text
- https://lalemudisezevo.weebly.com/uploads/1/3/4/3/134359520/4618465.pdfIn PDF document text
- https://penizamuravepu.weebly.com/uploads/1/3/5/9/135976181/tuvipadolu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374708/normal_5fe22fe718169.pdfIn PDF document text
- https://vuwuzujos.weebly.com/uploads/1/3/2/7/132712237/dalumopopuled.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445739/normal_606082a5c7016.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420765/normal_5fe0909e9c416.pdfIn PDF document text
- https://zibefaxad.weebly.com/uploads/1/3/4/5/134594794/jowiluladugivasem.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471253/normal_601216a01a923.pdfIn PDF document text
- https://xizirujikalowev.weebly.com/uploads/1/3/1/4/131454807/9262435.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/8f724889-581a-46c4-a15d-dd0db78316f8/1890970142.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/32758a13-42c2-43fd-85a5-8b1d10f4dfb4/wupenolabimofu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c85803f7-b98c-4353-94cb-e11db92e94cf/what_is_the_best_answer_for_biggest_weakness.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b865f189-bb1a-48be-8a18-abdf1591c031/bowulupisisapamevo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/53c9a454-4539-4e74-a733-a726c71fe8a6/adobe_premiere_pro_cs5_5_system_requirements.pdfIn PDF document text
- https://s3.amazonaws.com/nemafu/98044615440.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d85b73b3-f4ef-4740-b32b-9a960e697ed7/ipega_9023_ios_13.4.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/99455838-ad25-4402-9ec0-39bb31f7229b/25068790076.pdfIn PDF document text
- https://s3.amazonaws.com/vixuwogetiv/pipopegujiragikutuxuj.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/695de2cb-0b68-4f37-9ad7-95a011e540f1/wogivemifaxuwobon.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/98e3011c-572c-4c7d-85f3-1394aaccad80/canon_mp250_ink_absorber.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001059d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1059D | 5336 bytes |
SHA-256: 820dd51871596d10ef640b02eab37f21b891193efcc9f00168571e9dcfc0dc68 |
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font_01_sfnt_off00011779.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11779 | 11404 bytes |
SHA-256: a47b54fcff9a6b5e1f46f1a2b536881970421ad14ba9aab8dd28875cbdc8f7a3 |
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font_02_sfnt_off00013e61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E61 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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