MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links pointing to various domains, many of which are identified as disposable or part of a link farm. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or distributing further malware. The primary attack pattern observed is the creation of a link farm to lure users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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=heart+of+darkness+title+analysis+pdf PDF link annotation
- http://grenkasalo4.xyz/44060331020ne9kn.pdfIn PDF document text
- https://jonaditogun.weebly.com/uploads/1/3/1/4/131408899/lulekibul.pdfIn PDF document text
- http://instapriz.website/focus_on_ielts_foundation_answer_key288zs.pdfIn PDF document text
- http://sreda.city/how_to_fix_corrupted_data_ps37r5wz.pdfIn PDF document text
- http://idealica-columbia.site/35668922540v59ja.pdfIn PDF document text
- http://doxedisipi.scienceontheweb.net/laxazajavenuwix.pdfIn PDF document text
- http://navevukosuso.mypressonline.com/teneso.pdfIn PDF document text
- https://waxajevigeko.weebly.com/uploads/1/3/1/4/131453715/4066005.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://78905da9-dd21-4190-abaa-c894c042e703.filesusr.com/ugd/851c7c_56bf67baf82f4558a5cba9b0f5d2d9b4.pdf?index=trueIn PDF document text
- https://63b1f34b-4847-450f-8d9a-4788d10e1cf5.filesusr.com/ugd/451a43_b97c8228d6f14ac8b941b7f666932d7d.pdf?index=trueIn PDF document text
- https://8546b567-499d-44cb-812b-f4cb210fa0cc.filesusr.com/ugd/1f0b74_2d8576fc174a40eba2b78ef449cf6b51.pdf?index=trueIn PDF document text
- https://b64dd490-e5b9-492f-89ff-e398ecee904c.filesusr.com/ugd/5926b4_8b44833f3107459d8b2b6af1f672842e.pdf?index=trueIn PDF document text
- http://jojulupijawide.onlinewebshop.net/android_application_development_o_reilly.pdfIn PDF document text
- https://0f285ee0-1b14-49a2-8a3e-060a2db94812.filesusr.com/ugd/4bf67f_ad6c208c6c7c47a4ba4171e8b05d220b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/85f06b03-7c75-4c9c-9f92-47a8e21caed4/what_is_the_best_rear_tine_rototiller.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e9874790-2fbb-4cf8-9a59-25c7dc8ffcc7/pixidikavatumufotij.pdfIn PDF document text
- https://502f924d-676a-41b3-8220-87c01882f600.filesusr.com/ugd/5a20bb_bdd4c1ea8ff048ac90d210a7b84a64a3.pdf?index=trueIn PDF document text
- https://e50eee24-2d95-422d-8083-6f618d95927b.filesusr.com/ugd/594ae5_ae0ff3e1840342bdb1244c3e7ca039c3.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_off0001670c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1670C | 4948 bytes |
SHA-256: a501829ece5bd34eeed78b9fb2bff6645679dab32bbb7648f5762975d1b5c20f |
|||
font_01_sfnt_off000177f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x177F4 | 11964 bytes |
SHA-256: 759fafb6ff4ea11b64872de953a4d16768ef65d5d88e0c321b878c0447a29bb3 |
|||
font_02_sfnt_off00019f9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19F9B | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.