MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains numerous external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, contains a lure related to connecting a Vivint panel to Wi-Fi, which is likely a pretext to encourage users to click on the malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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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://pelibifir.ru/strik?utm_term=how+to+connect+my+vivint+panel+to+wifi PDF link annotation
- http://juwoniki.getenjoyment.net/architectural_digest_magazine.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387241/normal_605010dd6b5ef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383132/normal_60676f0d925de.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421641/normal_5ff5f75133c46.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483362/normal_5fe7e9eda21b1.pdfIn PDF document text
- http://myluckywin.site/can_ps2_singstar_mics_work_on_a_ps3pyiob.pdfIn PDF document text
- http://jotafitosixa.getenjoyment.net/basic_workout.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448750/normal_600bca19a1b33.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417998/normal_5ff3c7fe5b181.pdfIn PDF document text
- http://graatorama.fun/fefisalesunuljjeqd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453344/normal_60203df49df92.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494889/normal_600eacc76682b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408588/normal_5fd9175c84986.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454684/normal_6067398dcbd62.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://5fa60de5-32ab-41ac-ba65-77330e21e623.filesusr.com/ugd/2e16aa_8db392a6afe1429ba29698237608cea7.pdf?index=trueIn PDF document text
- https://b5c4f4dd-ae1f-4f6a-908c-f463551224e4.filesusr.com/ugd/dafd60_cc7e5315d61e4eab89a21b850d2ccae3.pdf?index=trueIn PDF document text
- https://d572dbd6-ec42-402e-884a-3db6daac2318.filesusr.com/ugd/6a558d_e09e6008484b4768b00ac6a016bdcab1.pdf?index=trueIn PDF document text
- https://770ad53b-b55e-4e58-b1eb-3709f41304f7.filesusr.com/ugd/98e298_0625a24467da4c68a8e815d0d348a7d7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/1a7dbc56-4e2d-41db-bdc2-f4b5b41a0343/81960865384.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eef86d4c-f985-4b3b-b398-f202afc7c00e/nejikidilinij.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_off00010d26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D26 | 5100 bytes |
SHA-256: e6c29acc2d8b70686247be2be7e19e4252460c744f5e02d9c91a01b951643cc3 |
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font_01_sfnt_off00011e91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E91 | 11444 bytes |
SHA-256: 8a876f80cf3b373dbf2d238144227b9fb63f0ca047eaf6a0bcccbf5e55befbcd |
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