MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://xajibur.ru/wix?keyword=16.4+threats+to+biodiversity+study+guide+answers PDF link annotation
- http://serururepus.scienceontheweb.net/fataretomitumo.pdfIn PDF document text
- http://tebapewulodafe.getenjoyment.net/64718161675.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/c3c0b65f-0139-4482-860f-89087652f071/physiology_book_for_mbbs_1st_year.pdfIn PDF document text
- http://gisujibegu.epizy.com/cancer_cells_properties.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/84bd32df-9db4-4156-b44f-58f66f1c607c/gapudosetutasedafapi.pdfIn PDF document text
- http://xekuvazam.rf.gd/how_long_does_usps_forwarding_last.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d988af0-64c3-4ea5-8826-66e628d09f88/yamaha_dgx_205_specs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/471bfaf2-7702-46bb-8e6d-5819dbc1aaec/mary_poppins_lyrics_supercalifragilisticexpialidocious_backwards.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/05f20a36-aa7e-4a47-9716-e0365c9b9b99/pajiterebiv.pdfIn PDF document text
- https://cdd249b8-77b1-4a94-b024-8995efe4d959.filesusr.com/ugd/d394ff_22b87b9a39874343ad98b1db4707c708.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/37b4be9d-ca0c-49ab-8096-01210fa31a88/sivapuram_tamil_movie_mp3_songs_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/de5f5b3b-3999-429a-a0ad-0812d0c24f46/83788297698.pdfIn PDF document text
- https://952d9f4b-853a-4e85-af28-23c4d489d487.filesusr.com/ugd/8db125_27784aa881af4c4f86bb5554ef4a7fb7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ec0a40d5-f233-4488-b5c8-44c1d7f36c31/denilinobowegikarixupa.pdfIn PDF document text
- https://f8ba888e-8f71-4fde-8303-550399648f4e.filesusr.com/ugd/17ce20_e85a97fad4404c7a90636490728a0315.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/cf70e44b-c16d-48be-9365-147d89d7d102/panasonic_the_genius_sensor_1250w_silent_mode.pdfIn PDF document text
- https://da89e6ec-52f9-4c28-8de8-447a2e923c0c.filesusr.com/ugd/5e5b2a_457eef302b77493a8f5871c861b21ad2.pdf?index=trueIn PDF document text
- https://fe2b84af-b373-48e0-a714-f820169e3fe9.filesusr.com/ugd/ed1d2e_2c5cae2f3ae54c1596fcbf10b6892d58.pdf?index=trueIn PDF document text
- https://8aa13d94-a051-4bfa-911d-5e7c2f772018.filesusr.com/ugd/382cc4_82da8d13b09447a7985d4943215a39f3.pdf?index=trueIn PDF document text
- https://025b4bf0-2906-4f5f-8a0f-6d4b68fc9518.filesusr.com/ugd/148ee2_861454c0ce1b42949f716a0cd5e844b2.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_off0000cdc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDC1 | 5680 bytes |
SHA-256: 1b66d1fd00be3be00144ba498940688342f4449b72f6c82b098a20d43c557b9a |
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font_01_sfnt_off0000e139.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE139 | 9628 bytes |
SHA-256: ea60deb21fcf2bc72774000456405da69a27930d6f1e142fb4bc1fa1c9f2150b |
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