MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded links to external websites, many of which are hosted on disposable domains and appear to be part of a link farm. The document body, though heavily obfuscated, contains text related to 'Viper alarm system 3305v', suggesting a lure to direct users to potentially malicious or scam-related content. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://pelibifir.ru/wb?keyword=viper%20alarm%20system%203305v PDF link annotation
- http://milansit.space/249182930952tcx3.pdfIn PDF document text
- http://tublitalia.fun/a_streetcar_named_desire_scene_6_quote_analysisomf0x.pdfIn PDF document text
- http://vykupavto54.ru/mu_cv_min_phwimhr.pdfIn PDF document text
- http://repair-kvadrokopterov.ru/68321881666qhlm8.pdfIn PDF document text
- http://vinnipoh.space/selenium_reporting_tools_ce75hc.pdfIn PDF document text
- http://udilische.club/century_arms_ak_pistol_reviewmhmqg.pdfIn PDF document text
- http://moneymaya.site/26015779057dq093.pdfIn PDF document text
- http://bahis-sikayet.com/boloxiwilazic7hgq.pdfIn PDF document text
- http://bilkaita.space/tivatidizicl2tg.pdfIn PDF document text
- http://reznitskygallery.com/lavepijijopuganijgcn0j.pdfIn PDF document text
- http://lianhua.life/70841419427dpwsv.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://4abf464d-34d5-4c80-8de5-e64f30e04530.filesusr.com/ugd/8b3eb5_4e3df2706d6447b6bceaa54170d0fb3a.pdf?index=trueIn PDF document text
- https://cf2e1f24-e5f1-4289-9567-3affce9c164e.filesusr.com/ugd/a4ea6c_55827f34bffd48b59a5e45bb297bf16c.pdf?index=trueIn PDF document text
- https://044ec7df-721b-4788-b209-87474a3fcb06.filesusr.com/ugd/60ffa2_8d92b43d05a945eb85795367dfc48213.pdf?index=trueIn PDF document text
- https://7ef5d8b8-74ac-4e0a-b0a0-fa61ca6462a8.filesusr.com/ugd/23e9be_7047ee5333cb4acebe4d1731b1ade755.pdf?index=trueIn PDF document text
- https://0dd4521b-3e41-4083-9bcc-807cce03ae78.filesusr.com/ugd/cfe2e9_1695d04fcdf24310b03cbdf1cb019b30.pdf?index=trueIn PDF document text
- http://xifogufog.epizy.com/good_marvel_movies_to_watch_on_disney_plus.pdfIn PDF document text
- http://xerekexaxo.epizy.com/how_to_stop_huebsch_washer.pdfIn PDF document text
- https://6f4861c6-cdf0-4a5f-ba2d-f9c5e5bfbee6.filesusr.com/ugd/77941b_b2309a51a41247edac76a79c9178f7a5.pdf?index=trueIn PDF document text
- https://80b2a579-f9ed-4aa0-b91a-ac3c8973c086.filesusr.com/ugd/353d00_151085a2932649a793d03d499e9775dd.pdf?index=trueIn PDF document text
- https://3745348a-78a0-42d7-8ff4-af2b45bf5faf.filesusr.com/ugd/02631b_b95c094753754a69836e934f54263094.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_off0000e5b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5B7 | 5520 bytes |
SHA-256: b9a3543b2eaedb864cbcbcf586d7ac406fe85659866789ac289b19df56880b1b |
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font_01_sfnt_off0000f878.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF878 | 11596 bytes |
SHA-256: 97a672aaa6c68933fd5bd605e899b5379e30e4c98a69aefb2ba8409647a84413 |
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