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 0.9996
Heuristics 6
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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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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://zajinet.ru/strik?utm_term=hp+laserjet+1320n+not+working PDF link annotation
- https://cdn.sqhk.co/sarimotel/2jidSjb/assistive_touch_lock_screenshot_flashlights.pdfIn PDF document text
- https://cdn.sqhk.co/pujazojiwixi/kXgigcZ/embedded_systems_important_questions_with_answers.pdfIn PDF document text
- https://cdn.sqhk.co/zibomevuguli/GveheeG/bibinasuti.pdfIn PDF document text
- https://cdn.sqhk.co/fusozuwalas/jjcCugf/virus_hunters_tv_show_national_geographic.pdfIn PDF document text
- http://fokuguxeni.iblogger.org/9223880429.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/3387fa82-c5ef-4793-8988-cd1c62405ed1/propresenter_free_trial_for_mac.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59d63304-0174-4884-ad0a-77a52d62b385/premiere_pro_2.0_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7fb6f2e5-b9bf-46e7-87bf-5e38fb3c455a/pexefenorad.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3841bed2-6b4e-44bf-969d-da68fcf24fe5/microsoft_word_2010_online_training_free.pdfIn PDF document text
- http://nosijatigatu.epizy.com/lekijiwibef.pdfIn PDF document text
- https://s3.amazonaws.com/dadupawo/broken_hearted_girl_lyrics.pdfIn PDF document text
- http://refowokewip.rf.gd/avenged_sevenfold_album_nightmare.pdfIn PDF document text
- https://s3.amazonaws.com/kotodur/fitzgerald_aeneid.pdfIn PDF document text
- https://e8b83640-91e4-44a0-a69f-c2468797902f.filesusr.com/ugd/ee4a13_c3292fb159724a9f9d37d7409f7aeae9.pdf?index=trueIn PDF document text
- https://6d4cd3b7-91e9-43ac-92b9-205473f1e50d.filesusr.com/ugd/28146e_64177af0f2934f5991bceec7a342a917.pdf?index=trueIn PDF document text
- https://2c5a832e-93c4-4ab0-bef0-969ef348d747.filesusr.com/ugd/cc5daa_9d3cd00a520d445bac7bace3401f4eaa.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/kudufigunabi/79314206341.pdfIn PDF document text
- https://s3.amazonaws.com/nawuvud/bx_townhouse_compressor_manual.pdfIn PDF document text
- https://33edd578-4186-4695-89f3-f56a5a23fc53.filesusr.com/ugd/f17c08_6d04594fe4ef4c7793e9db63d2954636.pdf?index=trueIn PDF document text
- https://2a085669-a8dc-40eb-b1d3-71ea9d660f60.filesusr.com/ugd/cafc24_cbddbf3ac33a4fb78c5406a662ca5d48.pdf?index=trueIn PDF document text
- https://d56a38bf-d62e-453c-9b5b-5b2fe88aea46.filesusr.com/ugd/359e64_0f59b569d6894274b1b18f9d064467a5.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC0F | 5456 bytes |
SHA-256: f3e576e93d3fe7b9583e6572ab6d7d8500253972108946ceab0d1cfb0bab8e3c |
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font_01_sfnt_off0000fec2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEC2 | 10996 bytes |
SHA-256: 1fed840ba14c32393af14492d2cd229e1f12e529cc1fca5c59d2ed1f78c344d0 |
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font_02_sfnt_off0001244d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1244D | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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