MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO manipulation tactic. ClamAV and ML classifiers strongly indicate maliciousness, with the PDF_SEO_LINK_FARM heuristic identifying a mass of external links. The embedded URLs suggest an attempt to redirect users to potentially malicious or deceptive content.
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://nipisod.ru/wix?keyword=exposition+of+to+kill+a+mockingbird PDF link annotation
- http://fuvisetitisenon.mypressonline.com/asciidoctor_command_line_theme.pdfIn PDF document text
- https://bevalapiwilidi.weebly.com/uploads/1/3/4/5/134587476/dfd272badf.pdfIn PDF document text
- http://fajamad.mypressonline.com/vigeruf.pdfIn PDF document text
- https://watilokid.weebly.com/uploads/1/3/1/8/131856522/wonefabajidab.pdfIn PDF document text
- http://siwupojotuj.getenjoyment.net/brene_brown_empathy.pdfIn PDF document text
- https://kofutisidizeb.weebly.com/uploads/1/3/1/4/131437743/5330468.pdfIn PDF document text
- https://taretowixulu.weebly.com/uploads/1/3/1/0/131070971/2036109.pdfIn PDF document text
- https://nizuwutino.weebly.com/uploads/1/3/1/4/131482859/91be346ae.pdfIn PDF document text
- http://sesizuxewewax.mygamesonline.org/acido_glutamico.pdfIn PDF document text
- https://gononazenikemad.weebly.com/uploads/1/3/4/4/134482012/6e95a8d1eadb.pdfIn PDF document text
- https://jexisaguratoka.weebly.com/uploads/1/3/1/4/131409442/4bd907bca9e0.pdfIn PDF document text
- http://sijubuwejipamun.mywebcommunity.org/fepekexadorenujadojatakor.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://850a36a1-966c-46c3-86ed-e15bcb5778a7.filesusr.com/ugd/ede58b_6444523185fc42f89842c1ec919b650f.pdf?index=trueIn PDF document text
- https://adc0bc6f-2b4d-4951-bce0-9128d215fa34.filesusr.com/ugd/5ea4d5_f7b3bf7e800948afa148c403da7bb673.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9135514e-eeb1-4deb-9b50-844ae0c3ea76/vepekegozikumugesupanori.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2905fdd4-bbc9-4d78-a633-6d38e6cec08b/how_do_i_get_my_marriage_certificate_online.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3d76470d-b872-4d03-88ca-a510c40ac91f/zopelavivuwogogasij.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0cccdf86-b1cc-49b2-8f42-a653fb423cf1/oxford_english_dictionary.pdfIn PDF document text
- https://ac614e2c-2e00-43e4-a80f-2c6bce9fb64b.filesusr.com/ugd/f103bb_342db776e7fa4bb89581f6be76976cdb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0fb68286-6268-4f96-8a1a-2ad1fd46ec7b/tv_makes_clicking_noise_but_wont_turn_on.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c0caa9e-4d87-4a7b-99e4-c8839397dffd/xujuzijulavipawej.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/881c295c-25b2-492f-9db8-f9dcf8959488/how_does_mcgill_calculate_gpa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/055d20eb-542d-4064-aad4-a826be56fc65/how_to_draw_dog_eyes_from_the_side.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f22d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF22D | 5704 bytes |
SHA-256: 6fae1522e7399656d074662359a3c348ea259699de66cdd905298d83a14f015f |
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font_01_sfnt_off00010588.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10588 | 10316 bytes |
SHA-256: 0b22b8b5b87c87bd04a20784d61c732fbd2c467a803b84fb19412209bfbddc8c |
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