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 0.9998
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://pelibifir.ru/strik?utm_term=how+to+write+a+letter+terminating+lease+agreement PDF link annotation
- https://mutuwafidiz.weebly.com/uploads/1/3/6/0/136095616/tozexaragineza_jejam.pdfIn PDF document text
- https://gagoxesuv.weebly.com/uploads/1/3/2/6/132681450/1605176.pdfIn PDF document text
- https://josujobo.weebly.com/uploads/1/3/4/7/134713906/ripetivebomil_gixep_zuzap.pdfIn PDF document text
- https://wurulukonena.weebly.com/uploads/1/3/5/3/135398735/mopajatefipeluveb.pdfIn PDF document text
- https://sonalopuxarore.weebly.com/uploads/1/3/4/3/134310538/mison-mumonol-gubunilirezumus-begegixilevubek.pdfIn PDF document text
- https://gipimosikiji.weebly.com/uploads/1/3/5/9/135963651/4790275.pdfIn PDF document text
- https://ziripovopibew.weebly.com/uploads/1/3/0/8/130874468/3676920.pdfIn PDF document text
- https://puxikatekeji.weebly.com/uploads/1/3/2/6/132681322/taluniwo.pdfIn PDF document text
- https://rapugudunoxe.weebly.com/uploads/1/3/4/0/134012743/a087cda9.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/toguvaju/amman_padal_songs_tamil.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8002f8d7-8909-4233-82b8-e231c00b3159/aeron_chair_adjustments_video.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ea0241c-a053-44bb-a927-4cd8f56e40ba/can_i_use_my_iphone_4s_in_2020.pdfIn PDF document text
- https://s3.amazonaws.com/wofaxil/onclicklistener_button_click_android.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9764acbf-314d-4ce5-915b-073d13b82a44/pretty_little_liars_reboot_original_sin.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7b8760bf-78be-4456-b2b7-d7e188029d37/what_did_george_say_before_he_killed_lennie.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/862a9dae-1445-4404-92c6-b7d1ec090b67/gufuvo.pdfIn PDF document text
- https://s3.amazonaws.com/dukavunivifa/suvixebidiberoxewufol.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4fb7b3c4-db42-474e-893e-bb0f95bd52d0/69523873258.pdfIn PDF document text
- https://s3.amazonaws.com/fowikorejodi/lobapawumujosa.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_off0000e243.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE243 | 5056 bytes |
SHA-256: 90992ffbb2a0f892cfbc61613cfb17bfe54ca1199f130742bf8050509b38fbb0 |
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font_01_sfnt_off0000f36c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF36C | 10548 bytes |
SHA-256: 66bfb03c2a5062c285a8a509416677792f0db636f6b7efdabf9b36c43744d866 |
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