MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics as a phishing lure impersonating the Walmart brand. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to obscure the final destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to credential harvesting pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 7
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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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://fisudobu.weebly.com/uploads/1/3/0/8/130813554/1724437.pdf.
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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://bologen.ru/strik?utm_term=how+to+fix+melnor+water+timer PDF link annotation
- https://fisudobu.weebly.com/uploads/1/3/0/8/130813554/1724437.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379217/normal_5fec8e7c3509b.pdfIn PDF document text
- https://lopuradusat.weebly.com/uploads/1/3/5/2/135297354/zojusaxam.pdfIn PDF document text
- https://bokasopuvozanib.weebly.com/uploads/1/3/4/3/134319525/ganavoz_regagiguxekumu_womitudojapab.pdfIn PDF document text
- https://minunelojob.weebly.com/uploads/1/3/1/4/131453060/4344470.pdfIn PDF document text
- https://povixifanob.weebly.com/uploads/1/3/7/5/137517449/lazetijojupowi_vutinewife_museki.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402953/normal_6032b1b42def8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388612/normal_606555cab79c3.pdfIn PDF document text
- https://gegelejete.weebly.com/uploads/1/3/7/5/137500710/pexusudadamesa.pdfIn PDF document text
- https://towizitubozabo.weebly.com/uploads/1/3/5/4/135400713/luxebaxukuj-lilawu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/cf032e8a-503f-479b-858a-f5c9bcb9ce98/remojewividotejajokifo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1f7fa2a0-ac4a-4969-9698-6b1fe89dad3b/motorola_apx_6000_earpiece_adapter.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9dee036b-b919-43f5-b8ac-1f0ecb7902a2/matlab_plot_markers_colors.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/224b3e0c-f862-4a7e-a377-23d6c9ad3b12/behringer_x1204usb_setup_for_karaoke.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f64fd5f7-7c8a-435d-b9ff-a02a58140b0e/49936344180.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10ba297e-caaf-411a-85e7-62f7d768640e/electrolux_epic_6500_sr_repair_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/199d7cb2-e366-4df9-a0a1-8e98bb6465ac/tosolevijadonasoped.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fe34b138-5980-405e-a9f8-478ad447d48a/88995705782.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cfa06310-0906-4f24-bd44-76997c5ae8fc/what_is_the_message_of_the_book_of_john.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b6fd8d45-2bc7-4955-9c44-b4307182a846/side_by_side_1000_honda.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2bd52648-284f-4f0a-944d-1937f87971c2/39358284423.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fe58d30d-8d60-462d-b25a-9576643ae4db/zuvukizofujoviwubasibe.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f2d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2D2 | 4856 bytes |
SHA-256: 1cbe7368b50e0a61e28cc59553f59e240f83dbb59981660b0266d6f6466ebd73 |
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font_01_sfnt_off00010350.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10350 | 11412 bytes |
SHA-256: 0b5d1424b38daea265521097209f4e7cb69f36e4dade31293a570b22066311f7 |
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font_02_sfnt_off00012a65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A65 | 16204 bytes |
SHA-256: 95f2a8319533f051e584a9e2aa38e8d42f7eb419abe795cf0dce2d6390e2c0a0 |
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