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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://midufefew.ru/123?utm_term=online+english+conversation+teaching+jobs PDF link annotation
- https://junalupi.weebly.com/uploads/1/3/4/4/134460459/4992810.pdfIn PDF document text
- https://tapukinag.weebly.com/uploads/1/3/1/6/131606864/tafexugetopufigagut.pdfIn PDF document text
- https://sogifeni.weebly.com/uploads/1/3/2/7/132712483/mobukorefuwupuv.pdfIn PDF document text
- https://cdn.sqhk.co/janezewufaj/gjzieSc/shadow_galaxy_live_wallpaper_apk.pdfIn PDF document text
- http://jibakerutev.mypressonline.com/sony_trinitron_21_inch_tv_price.pdfIn PDF document text
- http://xulodol.mygamesonline.org/53248667555.pdfIn PDF document text
- https://cdn.sqhk.co/tafolaku/hdJkyij/26239479403.pdfIn PDF document text
- https://bokakarepexopo.weebly.com/uploads/1/3/4/7/134750167/takawujatikumopewim.pdfIn PDF document text
- https://nipawivas.weebly.com/uploads/1/3/2/6/132680981/viwerug-dumodaxinavi-monapodina.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417422/normal_602088a9e9f0c.pdfIn PDF document text
- http://jinevul.mygamesonline.org/progress_in_mathematics_grade_3_teachers_edition.pdfIn PDF document text
- https://xixasoxi.weebly.com/uploads/1/3/5/3/135324484/c8a0c4.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/julaxel/11727407511.pdfIn PDF document text
- https://s3.amazonaws.com/dusined/chaiya_bhuiya_cg_movie_song.pdfIn PDF document text
- http://kadoxosin.atwebpages.com/jack_and_the_beanstalk_the_real_story_full_movie_123movies.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_off00015787.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15787 | 5364 bytes |
SHA-256: 268d9a5716b0501f98df8638bca78c65fe2ce14020e3b4c2bd0dcc45072a1ba3 |
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font_01_sfnt_off000169cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x169CF | 11256 bytes |
SHA-256: 9810b74b6960b4ee7f5aa1efbc60e8b41102bbc2c8bacba79955ee3aaaab846c |
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