MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded URLs, such as 'https://maypoin.ru/strik?utm_term=online+quran+learning+academy', are likely used to redirect users to phishing or malware-hosting sites, aligning with a spearphishing attachment attack pattern.
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://maypoin.ru/strik?utm_term=online+quran+learning+academy PDF link annotation
- http://gofadivus.mygamesonline.org/blackpink_ice_cream_song_download_mr_jatt.pdfIn PDF document text
- https://cdn.sqhk.co/nukunudakiju/Cgcjeic/fast_food_restaurant_near_me_that_delivers.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420745/normal_60438eeacbc47.pdfIn PDF document text
- https://cdn.sqhk.co/mezewimaxus/eOhbsoo/wix_filters_near_me.pdfIn PDF document text
- https://cdn.sqhk.co/vomemubevu/e9Nlgf7/sasul.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449775/normal_5fea027245750.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382782/normal_5fe58e7c7631a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501962/normal_5fcabafc5c4ec.pdfIn PDF document text
- http://xeberul.mywebcommunity.org/centrifugal_pump_construction_and_working.pdfIn PDF document text
- https://cdn.sqhk.co/lididiregi/jckWggO/35445964580.pdfIn PDF document text
- https://cdn.sqhk.co/dewavasese/Ljbggu3/41017382877.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/fidobakipivogit/coreldraw_2019_full_with_crack.pdfIn PDF document text
- https://cf176ec6-4820-456b-adf9-61e5f06c968f.filesusr.com/ugd/43d598_c011caccad61402fb5d7cb3fc25bf0f1.pdf?index=trueIn PDF document text
- https://d12e84a0-9808-45da-82c6-613dfe540d1b.filesusr.com/ugd/dc8a8e_1e25dcdf6d6345e6a08827cd030b586c.pdf?index=trueIn PDF document text
- https://5e54824a-8208-41b0-8aeb-7c017e8cfb46.filesusr.com/ugd/f64db8_98082fba99ef45afae2f7c6b0cc3601c.pdf?index=trueIn PDF document text
- https://fad58b31-c538-4d3f-828d-7998eec853b9.filesusr.com/ugd/7e6083_3730e260ff304a69b690877f578fc8f6.pdf?index=trueIn PDF document text
- https://5548a280-a194-4776-8019-0e256783c1fa.filesusr.com/ugd/f2c1dc_65cb4e277f8d431dab836834616372d5.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mokuwanibof/87589287574.pdfIn PDF document text
- https://s3.amazonaws.com/punurum/zifotisesibefijurizorez.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cfcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFCB | 5336 bytes |
SHA-256: 3e12d50e7baa032abe3e7f8ee7d0fd84c15fa089b14843e3612f9158e5a50570 |
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font_01_sfnt_off0000e1d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1D6 | 10060 bytes |
SHA-256: 9116f9fc7044a0b301b7e4816d676c8bb14d9dac391a5715dc61e6d59bceb8b9 |
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font_02_sfnt_off00010451.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10451 | 16204 bytes |
SHA-256: 541fa2b6826b0add99b7d5a173ef1e6a5567607b5192f75b810eb17d6a563501 |
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