MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious intent, including a critical finding for a redirector link to dafemum.ru and a PDF link farm. The ML classifier also strongly flagged this document as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristics suggest an attempt to redirect the user to a malicious site, likely for phishing or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://dafemum.ru/award?keyword=speak+now+2+teacher+s+book+pdf In PDF document text
- https://pusifife.weebly.com/uploads/1/3/1/4/131407530/ceda1e.pdfIn PDF document text
- http://zelijek.iblogger.org/janta_ki_adalat_hd_video_song.pdfIn PDF document text
- https://natufebopod.weebly.com/uploads/1/3/4/3/134305275/e2b104.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4497650/normal_6003e1334f353.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374983/normal_601d692359be6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367286/normal_6030937a478ac.pdfIn PDF document text
- https://nosujufan.weebly.com/uploads/1/3/1/0/131070407/bedegorukin_webif.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/setikizo/betclic_apk_2019.pdfIn PDF document text
- http://gafodix.myartsonline.com/how_much_is_a_farmall_m_worth.pdfIn PDF document text
- http://xipanizi.myartsonline.com/attitude_defined.pdfIn PDF document text
- http://fedonefekipide.myartsonline.com/chick_fil_a_grilled_chicken_sandwich_protein_style.pdfIn PDF document text
- https://s3.amazonaws.com/fedufiporara/pwm_pulse_width_modulation.pdfIn PDF document text
- http://xuvanemesu.rf.gd/fidufilemixafufitepo.pdfIn PDF document text
- http://kagomovibinat.rf.gd/76580706807.pdfIn PDF document text
- https://s3.amazonaws.com/dazovosugev/final_fantasy_7_original_ps4_trophies.pdfIn PDF document text
- https://s3.amazonaws.com/donukadizolin/gititefadigasuzitodumewal.pdfIn PDF document text
- http://gupizamowakop.myartsonline.com/peavey_vypyr_vip_1_bass_settings.pdfIn PDF document text
- https://s3.amazonaws.com/zunaporam/how_to_print_on_hp_printer_from_android_phone.pdfIn PDF document text
- https://s3.amazonaws.com/jigezilor/rivers_of_blood_speech_bbc_bitesize.pdfIn PDF document text
- https://s3.amazonaws.com/baritexovopa/55934861728.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e3dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3DC | 37424 bytes |
SHA-256: afeb693466cf6797a53f5f02536b1c4117aa3876bb38a6732491af62fa7b0dc6 |
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font_01_sfnt_off000157c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x157C4 | 5744 bytes |
SHA-256: c344490a5f0bbbf58ad37b289bccbacb0a588cd635cde38f9f3a7c040054151b |
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font_02_sfnt_off00016b5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16B5E | 15936 bytes |
SHA-256: 811844722c9f5fe0dbde16e7edac5bd94e39782dcd32cf78b00c55167f6e0428 |
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font_03_sfnt_off00019cd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19CD3 | 16376 bytes |
SHA-256: ccc72a9f99870325d4697eda4e6c8a43c863e36866e6a0fc2a4358a76e4be471 |
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