MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is classified as malicious, exhibiting characteristics of a link farm designed to redirect users to various external resources. The document body, though heavily obfuscated, contains text related to free PDF downloads, suggesting a phishing or scam attempt. The presence of numerous external URLs, including one with a 'utm_term' parameter, indicates an effort to drive traffic to potentially harmful sites.
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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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/strik?utm_term=college+writing+skills+with+readings+10th+edition+pdf+free+download PDF link annotation
- https://vefamomapebimid.weebly.com/uploads/1/3/1/4/131406391/6976246.pdfIn PDF document text
- http://xijonofupawulo.mypressonline.com/how_to_reverse_google_image_search_on_mac.pdfIn PDF document text
- http://safijejog.mygamesonline.org/how_to_set_a_plug_in_timer_switch.pdfIn PDF document text
- http://prosale.company/which_companies_hire_business_analystssthxk.pdfIn PDF document text
- https://maradezeg.weebly.com/uploads/1/3/5/9/135974492/6654367.pdfIn PDF document text
- https://lilobisuzi.weebly.com/uploads/1/3/4/6/134695815/58c86adb81bc.pdfIn PDF document text
- https://negamevetafe.weebly.com/uploads/1/3/4/4/134439480/898532.pdfIn PDF document text
- http://hookup153.online/262670045qoh86.pdfIn PDF document text
- https://zogelamugem.weebly.com/uploads/1/3/0/7/130775951/vofixasor_pijapituwitobob_vozoxovis_wibugotu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://69cf8a46-0d3d-4b71-8fd1-93df925da18e.filesusr.com/ugd/e4064d_16d219472b27445dbc96f8e64dfc4380.pdf?index=trueIn PDF document text
- https://bf130ee1-1463-4c69-9604-1b23772ced92.filesusr.com/ugd/b4609a_47ed0cd838f549e797019ccd3dfe3a14.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/9c643079-1330-4f7a-a816-6890e37e6af5/how_to_add_directv_to_firestick.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/329e059e-0a5e-4c93-aacb-589f1c80601c/compaq_presario_cq57-339wm_notebook_pc_specs.pdfIn PDF document text
- http://kesupipipiret.onlinewebshop.net/31417751364.pdfIn PDF document text
- http://toxifiv.myartsonline.com/mexovikowazur.pdfIn PDF document text
- http://xinifaduzinuvu.onlinewebshop.net/lodavasesujef.pdfIn PDF document text
- https://5637a596-61ce-4e67-8953-8fd9cb84b940.filesusr.com/ugd/c20ea7_94f9d8b2df5c40d1a5da14b368c04d80.pdf?index=trueIn PDF document text
- https://3caa4030-7dd6-4be4-8a8a-e1981c45b3cd.filesusr.com/ugd/704988_3fa54cec9e92457f8316dd93c7d3ead9.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/e50255c6-53ad-4dbe-a2a2-d42cb114fc2f/93337272404.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/75bcda33-36de-441a-8d14-6411261635ff/vanijulavi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d5cc8a5e-38be-4c7b-92dd-fa1f3a1dbe37/physics_motion_equations_cheat_sheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3002d381-f153-41d4-a9e8-389ced96ac76/why_is_my_phone_not_ringing_when_i_get_calls.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9699310e-2a1b-4c21-9435-e053de3fd62f/sasijamosumavuzin.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_off00014bbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BBC | 5560 bytes |
SHA-256: 09ee0d74ad7e92a5ae98da6939a9a52686ce0a26899a808a7f6a92222726e63a |
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font_01_sfnt_off00015eb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15EB6 | 11028 bytes |
SHA-256: 8e707894c37edb1a759f93d716f9b30cbd2f6ff218019ccc1b26273d71a981d1 |
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