MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with a critical heuristic identifying it as a PDF SEO link farm. One prominent URL, 'https://chcial.ru/pbw?utm_term=mere+sar+pe+sada+tera+hath+rahe+sai+baba+tu+hamesha', is flagged as a redirector, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://chcial.ru/pbw?utm_term=mere+sar+pe+sada+tera+hath+rahe+sai+baba+tu+hamesha PDF link annotation
- https://guwiretaxuzaji.weebly.com/uploads/1/3/4/6/134687660/dizarera.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4458417/normal_60b5b43d5319a.pdfIn PDF document text
- https://kiruxujekan.weebly.com/uploads/1/3/2/7/132740547/109919.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489975/normal_602a6dd143f8b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368218/normal_60bb0569854cd.pdfIn PDF document text
- https://vepegusekukoj.weebly.com/uploads/1/3/4/4/134470637/vofofomitipanil.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416132/normal_606cdc42ba0fc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485313/normal_604fe8ca3a91f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4498978/normal_606a2ef12de15.pdfIn PDF document text
- https://pijaxulejogelub.weebly.com/uploads/1/3/0/8/130874219/sibimugagevizeg.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4422135/normal_6012398cb4d6a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- https://uploads.strikinglycdn.com/files/4b34f3fb-c530-4921-935b-c4ada90fb3a1/how_to_pass_eagle_tower_links_awakening.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ce3f121e-d973-492a-a7ef-6909c99e5a8f/what_is_cause_of_iron_deficiency.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7e1cf957-7422-45fc-afc1-714082dbe253/vevirirozaluwubikeloje.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09ac85b3-40a0-4a51-85ab-300bcc50de6a/foxuganojemowidila.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fb9223b2-4526-4ab5-bf0e-3fdaaf5c84a7/getunizulurejur.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d89c30f4-ce42-443f-9e91-c3893872082a/53610389616.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4a51b248-8ffd-4dd1-bbc2-e5238e5c58c5/ropemafonirevobagirexovu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/281b7a1f-446c-424f-8896-5bc462e9b26d/que_es_mejor_administrar_o_liderar_un_proyecto_ensayo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/116a774e-2178-4eaa-9ff4-39eda1cc90a7/magic_school_bus_episodes_youtube_rocks.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af7e1c68-98d0-4ef2-9316-8fce55d244c9/how_do_i_program_my_ge_universal_remote_24922.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e0b6fbb0-ebcf-4166-94d2-bcd5cea981cd/cnn_world_news_today_2020.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f948.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF948 | 5312 bytes |
SHA-256: 34f4e0c73c7d20bf3404ca363fad8cb1fdf9deca19e5dcf6c775252fc9edd2b3 |
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font_01_sfnt_off00010b30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B30 | 10884 bytes |
SHA-256: 14eeea9347dacaa45ade81a3183949df5878d713f13e1321c2e9dcc3e5b97a0e |
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font_02_sfnt_off00013095.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13095 | 11604 bytes |
SHA-256: 3837f49fe5d9a099b6e50404927d199f50267ffc9ea4c0b0be2205a577ed867c |
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