MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm designed to redirect users. The document body, though heavily obfuscated, appears to be a lure related to software installation, likely to trick users into clicking the malicious links. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic further support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://ponafet.ru/strik?utm_term=wd+my+cloud+ex2+install+linux PDF link annotation
- https://palepolute.weebly.com/uploads/1/3/5/9/135963306/1087806.pdfIn PDF document text
- https://woxigixekamut.weebly.com/uploads/1/3/0/7/130739530/8506335.pdfIn PDF document text
- https://cdn.sqhk.co/kojagopomon/PugdTic/15825020523.pdfIn PDF document text
- https://cdn.sqhk.co/tojegaxamox/f4fDjgb/48459194559.pdfIn PDF document text
- http://fuvagezilavez.mygamesonline.org/35779708930.pdfIn PDF document text
- http://dorulezebum.sportsontheweb.net/58199649143.pdfIn PDF document text
- http://soferijivav.getenjoyment.net/open_set_in_metric_space.pdfIn PDF document text
- https://pudoxarunisit.weebly.com/uploads/1/3/1/1/131164251/6265790.pdfIn PDF document text
- https://jagotizepevex.weebly.com/uploads/1/3/4/4/134464701/56e713209a2.pdfIn PDF document text
- https://zeraxoxuret.weebly.com/uploads/1/3/4/6/134642117/c4eecbd5.pdfIn PDF document text
- https://vimiwegom.weebly.com/uploads/1/3/0/7/130775837/vetakofigile_tukizegaxaw_mibigor.pdfIn PDF document text
- https://pitisugokusibim.weebly.com/uploads/1/3/4/4/134445344/5348029.pdfIn PDF document text
- https://daxozeke.weebly.com/uploads/1/3/4/3/134322415/2620228.pdfIn PDF document text
- https://butilitari.weebly.com/uploads/1/3/3/9/133997497/6441577.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/petubapizo/4221466684.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d162b9c-2034-4aca-90c0-4aeb99b30c5d/54660782768.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3fc8b49c-3b95-44c1-9014-c86a23880e46/dungeons_and_dragons_monster_manual_1977.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/edff11c0-1532-417e-b74f-c329c094bbf2/lozanixidapaseneluj.pdfIn PDF document text
- https://s3.amazonaws.com/vaxebisapesi/er_verb_examples_spanish.pdfIn PDF document text
- https://s3.amazonaws.com/faluzotixupi/free_death_anniversary_invitation_templates.pdfIn PDF document text
- https://s3.amazonaws.com/pazerogasarinu/mixejuropon.pdfIn PDF document text
- https://s3.amazonaws.com/paxuvagal/will_a_cortisone_shot_cure_frozen_shoulder.pdfIn PDF document text
- http://boxijekew.atwebpages.com/razizitelagaxulirabori.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_off0000f26c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF26C | 5304 bytes |
SHA-256: f20bd321283126688d15917de29578325a2e0e41e992d67e6f75d341b7d8d350 |
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font_01_sfnt_off0001047f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1047F | 11972 bytes |
SHA-256: 09a6a7cccd326a5cea6ca885ee89d6517038a98992423ca5e9425c5d42069630 |
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