MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is classified as malicious by ML and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to numerous external URLs, one of which is `https://nipisod.ru/aws?utm_term=how+do+i+refill+my+pitney+bowes+postage+meter`. The PDF's structure and embedded links suggest it is designed to drive traffic to potentially malicious or phishing sites, masquerading as a helpful document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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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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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 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://nipisod.ru/aws?utm_term=how+do+i+refill+my+pitney+bowes+postage+meter
- https://wejobufobugof.weebly.com/uploads/1/3/5/3/135348322/b7a879469513.pdf
- http://matroskin.space/rasuwadi1g3n2.pdf
- https://punulizi.weebly.com/uploads/1/3/5/9/135957491/81aaa9ba78cb.pdf
- https://static.s123-cdn-static.com/uploads/4417312/normal_6001e4dd85185.pdf
- https://cdn-cms.f-static.net/uploads/4408987/normal_6026c6576a01f.pdf
- https://mewopufi.weebly.com/uploads/1/3/4/2/134265659/796848.pdf
- http://tokio-2020.fun/wosomop93f81.pdf
- http://olymp-trade.top/50_top_questions_and_answers_interviewlddjb.pdf
- http://salonlabs.xyz/lakukivisunagsst4i.pdf
- https://cdn-cms.f-static.net/uploads/4373509/normal_60503ce748ef7.pdf
- https://pemolopudamas.weebly.com/uploads/1/3/4/7/134753943/d15734587.pdf
- https://tikekukitalil.weebly.com/uploads/1/3/2/7/132712015/jufifu.pdf
- https://lepitosamodovax.weebly.com/uploads/1/3/4/3/134335454/e0d652.pdf
- https://xifamileg.weebly.com/uploads/1/3/4/6/134687686/sutobe_kirofonozogi.pdf
- https://xizirujikalowev.weebly.com/uploads/1/3/1/4/131454807/kogabomo.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/d3dc78e4-0c83-4aad-9564-f3c3367e8d43/kodejajajizufen.pdf
- https://s3.amazonaws.com/jivagajamav/dibetivakevupunu.pdf
- https://uploads.strikinglycdn.com/files/1f4f9553-b0ea-4cf8-a216-3b71bb54ea31/fumakebajamesuxexofekan.pdf
- https://s3.amazonaws.com/xeruxaxer/pebuwigugipufunov.pdf
- https://uploads.strikinglycdn.com/files/a6f6b1dc-1d2f-4e89-83cb-42bde75d59cb/48782749918.pdf
- https://uploads.strikinglycdn.com/files/59fc6e54-f9fd-45bf-8ae0-8860ee4012ab/how_to_reset_a_whirlpool_front_loader_washing_machine.pdf
- https://s3.amazonaws.com/jidosatikim/mitudefusopudowizud.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dfbc.bin8234a587f3e51c00b61fe7713849619b0652d08c2a3388f54d323de7997e1afe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFBC | 5656 bytes |
font_01_sfnt_off0000f2f2.bin53765ca85c8bacd6d3e99bf4647fbc6f79cfa572025ff7cd2075a5be38464594 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F2 | 11152 bytes |
font_02_sfnt_off0001192e.bin9af6fc3bf9d751f70540aea0fa47faa159a3604992cda23d2adcda3ffc5346b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1192E | 16092 bytes |
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