MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. While no scripts were explicitly extracted, the PDF structure and numerous external URLs point towards a phishing or malware distribution vector, likely initiated via spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://bologen.ru/award?keyword=carnitina+pdf+2020 PDF link annotation
- https://rebuxikaxaj.weebly.com/uploads/1/3/4/6/134668288/livuwapazirijob.pdfIn PDF document text
- https://cdn.sqhk.co/pujazojiwixi/KNiqia2/94729697957.pdfIn PDF document text
- http://xepuxupipe.mywebcommunity.org/dr_seuss_stories.pdfIn PDF document text
- https://gidaletibom.weebly.com/uploads/1/3/4/8/134881461/teruzebaloposar.pdfIn PDF document text
- https://cdn.sqhk.co/xubewarow/eiahNjj/24764152575.pdfIn PDF document text
- https://cdn.sqhk.co/goluxewimabu/LgegiuS/33518128244.pdfIn PDF document text
- https://cdn.sqhk.co/doxurozupu/jhAcib1/78067781238.pdfIn PDF document text
- http://tejidirexe.mywebcommunity.org/vujuxeweginiguka.pdfIn PDF document text
- http://gitikirazidapi.medianewsonline.com/how_to_reset_a_milwaukee_m18_battery.pdfIn PDF document text
- https://vamawawu.weebly.com/uploads/1/3/0/8/130874524/jegaxujosuzupatereki.pdfIn PDF document text
- https://cdn.sqhk.co/mitugejaxel/ijCWgcL/game_summoners_war.pdfIn PDF document text
- http://gedatidigog.sportsontheweb.net/how_to_crochet_for_left_handers.pdfIn PDF document text
- http://xafesuvorolivig.scienceontheweb.net/jakutagatetumop.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/c77f1be8-a3ab-424e-8418-b67b6dedcbed/thetford_toilet_seat.pdfIn PDF document text
- https://065b66ee-25d8-4381-b309-094abc4d823c.filesusr.com/ugd/2703e6_2b6c652c045d4b15b00438cfebf60afa.pdf?index=trueIn PDF document text
- https://667abc8f-92ca-45d9-bc9d-789c80a68858.filesusr.com/ugd/dcd78f_206a628b92c44bd4ac94350a26c3d437.pdf?index=trueIn PDF document text
- https://8fc1c2d6-49ba-4d63-8b95-0327ef2b1627.filesusr.com/ugd/1849a1_6b5919a560944b1ea800635e38aaef17.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/de66c428-ff86-4e1b-a51a-c4dfe7961330/how_to_replace_battery_in_zagg_keyboard.pdfIn PDF document text
- https://305aa2e3-e1d2-413d-aa2e-f1bb83d03ded.filesusr.com/ugd/92ee2b_48c7898a9ed94f22aac7632c2a858b3a.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
- https://doi.org/1In 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_off000136b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136B0 | 5004 bytes |
SHA-256: 7ccd34b66650422a7e875a08af9ec5ae90e07dfc14e84ff611c41f2230c97161 |
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font_01_sfnt_off000147c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147C6 | 10916 bytes |
SHA-256: 28e99c12c8d0e377dac7f7e1ee0f626220139fb07eaa840dcd3f891cb28a3cc4 |
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font_02_sfnt_off00016d37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16D37 | 16204 bytes |
SHA-256: c988415812f594187b0a0ed75dc52802e798e1695b49bd300f8412a65040a449 |
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