MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to disposable domains, indicating a link farm or SEO poisoning attempt. One critical heuristic identified a link to known malicious redirector infrastructure. The ClamAV detection and ML classifier further confirm its malicious nature, likely as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://yafferge.ru/award?keyword=penyelesaian+arbitrase+pdf In PDF document text
- https://zujavezamuni.weebly.com/uploads/1/3/0/9/130969293/sovuvaw_vabezakejaf_vakuvebodiji_gunofegapowi.pdfIn PDF document text
- http://jopagozopive.medianewsonline.com/jifewi.pdfIn PDF document text
- http://saniwofixapu.mygamesonline.org/57225670013.pdfIn PDF document text
- https://paxupodef.weebly.com/uploads/1/3/4/7/134763896/423dc06ce6e6.pdfIn PDF document text
- https://bazulerijodinib.weebly.com/uploads/1/3/1/8/131856415/994dcdfb4a8df.pdfIn PDF document text
- http://jolujunutido.iblogger.org/spotify_mod_revdl.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lununobasafino.rf.gd/main_characters_of_six_of_crows.pdfIn PDF document text
- https://s3.amazonaws.com/xamibudasagas/positive_discipline_jane_nelsen.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/102f0e7e-e5b5-452e-bd92-f8731ac7267b/70608735674.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/72df3ccb-8f71-40ec-b79e-ead6c6b75715/48575013879.pdfIn PDF document text
- https://s3.amazonaws.com/radubozufiwo/3144544988.pdfIn PDF document text
- http://xunetekes.epizy.com/narizetek.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/106edb4f-1d71-4b07-a2c1-e0b7ee2a10a1/wejugojasis.pdfIn PDF document text
- https://s3.amazonaws.com/kozewuposoridil/37904573105.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8bde45d8-ec5b-49a5-9a0f-5acf4e63fa17/laxitujozo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dbec7058-c615-415c-9c7a-74021a08870f/the_meaning_of_marriage_chapter_4_summary.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3bdef844-25a7-4fcc-9121-0673cc159b8f/gakibeluxejimaba.pdfIn PDF document text
- http://tojakeber.rf.gd/41343843180.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/21422fb6-5bfd-4e3c-a5bc-3317110b97ce/albert_einstein_atomic_model_name.pdfIn PDF document text
- https://s3.amazonaws.com/tezude/75682477151.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_off0000e66b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE66B | 5276 bytes |
SHA-256: 25b8c3357f3d9a516ae18de7798cadd45a1efbb9ecadf14eacfabd4b65b9bc21 |
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font_01_sfnt_off0000f86d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF86D | 10400 bytes |
SHA-256: af402d042ce6c817b9c3c7b7117b876b94322f98a19fca43c0e69f221d6367a6 |
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font_02_sfnt_off00011c21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C21 | 16060 bytes |
SHA-256: 99ddc6f5858eb134f8024171ebe717cbd02485c31471b921a5021903b5272953 |
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