MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable domains, suggesting a link farm or phishing operation. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, and the presence of a URL with 'utm_term=emergency+medicine+jobs+colorado' suggests a lure to attract users interested in job opportunities. The ClamAV detection and ML classifier further confirm its malicious nature, likely as a phishing or redirection tool.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://mezovuduw.ru/strik?utm_term=emergency+medicine+jobs+colorado PDF link annotation
- http://dmgameplan.com/stihl_battery_pole_chainsaw_pricepyp13.pdfIn PDF document text
- https://vejazejama.weebly.com/uploads/1/3/1/3/131381369/nutoloketaja-kemivepewemol.pdfIn PDF document text
- http://chebsvet.ru/atomistique_smpc_s1c9n73.pdfIn PDF document text
- http://vvvvvvvvvvvvvvvvvvvvvb.xyz/tatikegagenofen36ojg.pdfIn PDF document text
- http://ninavadilu.22web.org/wavewenevaxanev.pdfIn PDF document text
- https://boxemafal.weebly.com/uploads/1/3/3/9/133997404/8183076.pdfIn PDF document text
- https://boferisavupase.weebly.com/uploads/1/3/1/3/131384298/6977106.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/falevi/bogleheads_guide_to_three_fund_portfolio.pdfIn PDF document text
- https://s3.amazonaws.com/liwara/somutofevuxil.pdfIn PDF document text
- https://s3.amazonaws.com/nokiva/riparian_areas_regulation_report.pdfIn PDF document text
- https://83c30a2d-d83c-4020-88f4-fdb7bed8c9e2.filesusr.com/ugd/e59e18_42708ff2c93c4789804da8fe8033820d.pdf?index=trueIn PDF document text
- https://161abad2-7de2-49bb-9904-d6e2a620a662.filesusr.com/ugd/2eec94_59cbaf31c1bb4b7d836a9832766322d2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/72862094-a0f1-4f58-8491-f4aa0a054cb8/53915895103.pdfIn PDF document text
- https://1cdd1dcb-54a5-4750-95ad-c4cce9a68cd1.filesusr.com/ugd/1e32c2_17c58ee356f440cf94545cca6282592e.pdf?index=trueIn PDF document text
- http://najorenowodume.epizy.com/music_sheet_stand_organ.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/425b5a57-08f2-45cc-bb1c-fc85986e48b4/banemuwajarajananebir.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ae79c4dd-eed6-4922-b8bd-97647b7efdc9/3rd_shift_warehouse_jobs_hiring_near_me.pdfIn PDF document text
- https://f856bbc4-01c8-45e4-8891-a53c5ee59fd0.filesusr.com/ugd/8e827e_2ec1f4803f2a417fa9a809da196d5155.pdf?index=trueIn PDF document text
- http://dunoziboxisi.epizy.com/austin_mahone_all_songs.pdfIn PDF document text
- https://521a9f5b-5c7e-4f25-a9e4-5446fb1b1975.filesusr.com/ugd/c1a494_400be1e14e4b4e3b818cd5b15dc4d570.pdf?index=trueIn PDF document text
- http://felawikemuda.epizy.com/cup_of_tea_song.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e2431fb6-27ea-4dec-889b-09030e28aaac/how_much_does_a_trans_rebuild_cost.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_off0001027a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1027A | 5532 bytes |
SHA-256: 8a0bcbfeadd00cba8f051af16c3cf0812021174548792a4b510fab91430b80db |
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font_01_sfnt_off00011541.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11541 | 11664 bytes |
SHA-256: 7a4de7f8ca5eea746856b79891b3472cb19b34654edb0b0d4d7b6fbfa195430f |
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