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 0.9992
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://nipisod.ru/award?keyword=afery+koalicji+po+psl+pdf PDF link annotation
- http://dopadogexegox.22web.org/ti_89_titanium_calculator_price.pdfIn PDF document text
- https://cdn.sqhk.co/tajugajobib/EhiDijA/xamudozataxugafewa.pdfIn PDF document text
- https://cdn.sqhk.co/merabuvi/htafhdG/45758440659.pdfIn PDF document text
- https://cdn.sqhk.co/nunepokuwe/hdgh5Ev/gesago.pdfIn PDF document text
- https://benedelewerovil.weebly.com/uploads/1/3/1/3/131384674/3818498.pdfIn PDF document text
- https://cdn.sqhk.co/tesikotuk/oIp3sic/dezafefukabukurikavafuza.pdfIn PDF document text
- https://lejonelawubuw.weebly.com/uploads/1/3/1/4/131453657/5723938.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dulibifusarumo.rf.gd/hymne_a_l_amour_sheet_music.pdfIn PDF document text
- https://98cdd5c5-c43e-49eb-9373-39517e896cbb.filesusr.com/ugd/90661f_1ba8f826c3b547ea843fdfb6a19171d9.pdf?index=trueIn PDF document text
- https://b147a2f3-58af-4013-9def-597e86e94513.filesusr.com/ugd/47d6bb_83de741c12a04ebd9aa7ae68d54a8996.pdf?index=trueIn PDF document text
- http://zajunevoza.epizy.com/37524908177.pdfIn PDF document text
- https://70fbc5f3-53e4-4072-9ff7-a5862d19847b.filesusr.com/ugd/bb3bf9_41c3b23f151541af967ee1c3da74ecaa.pdf?index=trueIn PDF document text
- https://411be8f8-4ba1-40b5-9edf-cc4a2c3d5ecc.filesusr.com/ugd/a86d68_6551ca97b7f24162ab4c73f687c07721.pdf?index=trueIn PDF document text
- https://0f926834-650c-4d5a-b53c-ad60ae412ccc.filesusr.com/ugd/6a44d8_2b7b1cda50ba4d62bf1ed91d587ddaeb.pdf?index=trueIn PDF document text
- https://cbb9655c-b60d-4095-8c1c-bb5f9a2903c5.filesusr.com/ugd/4dd980_61a5f85472ae4f008f6c0195ad2cd35c.pdf?index=trueIn PDF document text
- https://901c4554-6fda-40bf-8344-1f1538f5dc06.filesusr.com/ugd/a76634_219a6692d9cc4a32b1f7a5372fb8ca91.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/memexelu/amd_radeon_rx_580_driver.pdfIn PDF document text
- https://s3.amazonaws.com/fuzafuzeruwit/is_liftmaster_remote_compatible_with_chamberlain.pdfIn PDF document text
- https://780c8f77-0f51-49ab-8dd1-60a90eb210a4.filesusr.com/ugd/1b8612_524a49d9104348099cb2fa9e59b1a0e6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pipaneku/cake_mania_game_free_for_android.pdfIn PDF document text
- https://b3d988c2-7a7d-4c3c-9141-221b6550481e.filesusr.com/ugd/9dda13_cbe9d6f4023c41489968776c3f459d4a.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/daraniwekamidir/attack_on_titan_movie_anime_watch.pdfIn PDF document text
- https://s3.amazonaws.com/mipizaju/cardiovascular_system_examination.pdfIn PDF document text
- http://dekuroveki.rf.gd/pisuj.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_off0001aa36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AA36 | 5380 bytes |
SHA-256: 7ec090d8cdcc515299714523b7e7f92fa9ea5b83f6fc389b1ed28ee8802c2098 |
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font_01_sfnt_off0001bcad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BCAD | 13204 bytes |
SHA-256: ea1e9ea183e79d07327d13ea9343b61f97cf6360d83428dd5710360837a0308d |
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