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 0.9993
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://jacksth.ru/wix?keyword=vivitar+5.1+mp+hd+action+camcorder PDF link annotation
- https://sukanoxe.weebly.com/uploads/1/3/1/4/131453950/6387031.pdfIn PDF document text
- http://wozupabalaviv.medianewsonline.com/what_do_symbols_mean_on_bbc_weather_app.pdfIn PDF document text
- https://cdn.sqhk.co/zatovafer/rzijqia/ea_nhl_2020_news.pdfIn PDF document text
- https://serutoposax.weebly.com/uploads/1/3/5/3/135398922/7b9cf6773b2a.pdfIn PDF document text
- http://dizurexemubegog.mygamesonline.org/mejuniji.pdfIn PDF document text
- http://kifisafobubupo.mygamesonline.org/tiroxixewuvawulofibi.pdfIn PDF document text
- https://cdn.sqhk.co/lekifuwixal/FAcheWd/drag_race_track_3d_model.pdfIn PDF document text
- https://cdn.sqhk.co/kefivaxepaj/jbTgjgj/nexukuzidewi.pdfIn PDF document text
- https://nopubogap.weebly.com/uploads/1/3/4/6/134667077/317d4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://923a8ca3-316b-4844-b38f-9bc955ad4852.filesusr.com/ugd/312e0e_3082401737b64a42b7bc20fd6d6ee344.pdf?index=trueIn PDF document text
- https://f89b8795-a90f-4359-81e0-6309601a98d9.filesusr.com/ugd/8e7730_d4cfdd3595ec4e1aa500de6b0a2b4e14.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/311d69b4-3a97-47dc-8430-d099d32076eb/do_rational_functions_have_vertical_asymptotes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d355283f-9f5a-42ad-b899-1dca73ae50e3/calendario_sep_hidalgo_2019.pdfIn PDF document text
- https://s3.amazonaws.com/sukobogixe/5496611679.pdfIn PDF document text
- https://s3.amazonaws.com/jotizifime/14030791638.pdfIn PDF document text
- https://s3.amazonaws.com/zaxawetawupo/nice_asthma_management_guidelines_2017.pdfIn PDF document text
- https://s3.amazonaws.com/jevedijadiki/ripobumaxezowig.pdfIn PDF document text
- https://2b4b9a66-705d-4e40-a31d-28d4db190467.filesusr.com/ugd/1dbb98_9c2e0bca3a124cbc89524f7f59b87d4f.pdf?index=trueIn PDF document text
- http://fuvarijes.atwebpages.com/death_note_misas_song_english_lyrics.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/80689b15-622d-4b6c-bfeb-e21c9f14b5b9/why_is_it_important_to_follow_rules_and_regulations_in_the_army.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85f34f25-eafc-4ded-b4c3-7372f683cb5f/rowom.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4779360a-150e-4da1-a292-519617ce73fe/pride_and_prejudice_and_zombies_film_review.pdfIn PDF document text
- https://acd80754-3b70-42c6-a60f-3489f6261da4.filesusr.com/ugd/f1780b_39363499c7284bc6abe9a948a02a0448.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_off0000f049.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF049 | 5336 bytes |
SHA-256: 8ca770ac116ffe854090026d8e4958d9f3daa58c250d040c8b3f9ab0fe6fd129 |
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font_01_sfnt_off00010259.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10259 | 11468 bytes |
SHA-256: a28561370781601d519f67f9bbf51f71d9e2aeff84c30caac340864b060231a6 |
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