MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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://crophysi.ru/strik?utm_term=what%2527s+the+top+1+percent+income+uk PDF link annotation
- http://fbcopyright-center.com/how_much_is_prince_harry_worth_2019jgy23.pdfIn PDF document text
- http://steblin.pro/fuvafokezepebxk7ri.pdfIn PDF document text
- https://mifepomaxa.weebly.com/uploads/1/3/4/8/134897651/8a6e1c2b.pdfIn PDF document text
- http://4kuhd.me/rofidivonitopuworowuxekr3p8l.pdfIn PDF document text
- https://vamawawu.weebly.com/uploads/1/3/0/8/130874524/kapuxolokatutex_ranunafenamiwum_niwipovusu.pdfIn PDF document text
- https://sigusesozafulo.weebly.com/uploads/1/3/4/4/134401708/414932.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417535/normal_5fd9f74c4c1e7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469106/normal_605331ffd434e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385012/normal_5ffb305dc5cf8.pdfIn PDF document text
- http://my-credit.info/377120580crdh0.pdfIn PDF document text
- https://wogijelagorezu.weebly.com/uploads/1/3/4/0/134096035/5373220.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452148/normal_603be892a28b5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://db244590-af71-4c33-bd6e-2f8f55f31281.filesusr.com/ugd/fdab61_24c7cbaae80249c79c4e1ded2f6ffc24.pdf?index=trueIn PDF document text
- https://976edc35-935c-46de-9e6e-e225dbc25668.filesusr.com/ugd/0829d8_f1fda92818ad4075b5d5feae5ac6f373.pdf?index=trueIn PDF document text
- https://5e446c31-fcb6-4427-a178-91ee45bbff8b.filesusr.com/ugd/4e76b8_d53a14eb1e504d9a8c4430852a29e245.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/236f82c0-4e2a-4dcc-8af6-8f91efae0b50/84923757774.pdfIn PDF document text
- https://c546c886-5aa5-41cc-813f-4ed3e146772c.filesusr.com/ugd/b3e52d_e403bd0b62b743098afbf1f00abd70f2.pdf?index=trueIn PDF document text
- https://ab2ac9d4-4772-4872-829d-c19fde0a4f90.filesusr.com/ugd/b919b3_f09e44c4c3074fdda7474ab3c67ae8b5.pdf?index=trueIn PDF document text
- https://58fabbca-0322-4868-a582-948aa19840f9.filesusr.com/ugd/93748c_8ee38b3888bd4e958b07be5d49433885.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/10b7504d-5459-4831-a33f-ab3ac8ce8281/how_to_enter_promo_codes_pokemon_go.pdfIn PDF document text
- https://123949be-7110-4ba3-a240-a7df06fb38ce.filesusr.com/ugd/80fd5d_7105d3b5daab4980aaea510d83046eb8.pdf?index=trueIn PDF document text
- https://ba739632-11db-41f7-a023-683a20e55d36.filesusr.com/ugd/99835b_814b1f684108458bbc5900958d58c6cf.pdf?index=trueIn 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_off0000f6eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6EB | 5304 bytes |
SHA-256: ef76490e9ac43a4e3a1b420be84eeeed0e15cb90a5fe99afdfcae70159fe04a2 |
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font_01_sfnt_off000108e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108E2 | 11284 bytes |
SHA-256: d55b301afe228397b428619359fd43083dd6337f14ac383cc5e63186498b0450 |
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