MALICIOUS
74
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded URI pointing to 'renimba.info', which is flagged as suspicious. The ML classifier also identified the PDF as malicious. While no scripts were explicitly extracted, the presence of an external URI with a keyword-rich query suggests an attempt to direct the user to a malicious site, likely for phishing or to download a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.7668
Heuristics 3
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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External URI info PDF_URIPDF contains an external URL action
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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 http://renimba.info/wp1?keyword=%D0%B3%D0%B4%D0%B7+%D0%BF%D0%B5%D1%82%D0%B5%D1%80%D1%81%D0%BE%D0%BD+%D1%80%D0%B0%D0%B1%D0%BE%D1%87%D0%B0%D1%8F+%D1%82%D0%B5%D1%82%D1%80%D0%B0%D0%B4%D1%8C+4+%D0%BA%D0%BB%D0%B0%D1%81%D1%81+3+%D1%87%D0%B0%D1%81%D1%82%D1%8C PDF link annotation
- https://inpetfipen1982.files.wordpress.com/2018/04/gonosowaru-skachat-muzyku-iz-tantsy-na-tnt-3-sezon-webazexadojurox.pdfIn PDF document text
- https://krisaradre1989.files.wordpress.com/2018/04/zujorilegada-msvcr71-dll-skachat-dlia-windows-7-x64-kuda-kidat-fisanitopazon.pdfIn PDF document text
- https://spattamati1988.files.wordpress.com/2018/04/sulij-pismo-dedu-morozu-ot-rebenka-7-let-obrazets-wedetobotow.pdfIn PDF document text
- https://img0.liveinternet.ru/images/attach/d/0//5906/5906773_xodesskolkovsegopervichnykhballovvegepomatematikeprofildat.pdfIn PDF document text
- https://thirsnanagtheo1974.files.wordpress.com/2018/04/vapevixo-dell-inspiron-1520-draivera-windows-xp-wifi-sivadinitoxi.pdfIn PDF document text
- https://img0.liveinternet.ru/images/attach/d/0//5908/5908142_jovuzgdzpobiologii5klasssoninrabochaiatetradfgosratimu.pdfIn PDF document text
- https://tabrapoder1972.files.wordpress.com/2018/04/salokuvisu-zenitbet82-windows-tujidezikiv.pdfIn PDF document text
- https://img0.liveinternet.ru/images/attach/d/0//5906/5906173_subigdzpobiologii9klassrtkuchmenkobed.pdfIn PDF document text
- https://niememapa1982.files.wordpress.com/2018/04/xunagifo-pandora-1870i-instruktsiia-po-ekspluatatsii-video-lijumetebaxi.pdfIn PDF document text
- https://img0.liveinternet.ru/images/attach/d/0//5910/5910685_tojudargdzpofizike10klassgmiakishevnen.pdfIn PDF document text
- https://img0.liveinternet.ru/images/attach/d/0//5906/5906159_pojosbornikgdzgeometriia7klassmerzliakrexu.pdfIn PDF document text
- https://img1.liveinternet.ru/images/attach/d/0//5909/5909541_duvavkbiologiiaegebekav.pdfIn PDF document text
- https://manryleramb1975.files.wordpress.com/2018/04/nekakasojenexi-gdz-obshchestvo-rt-8-kl-valur.pdfIn PDF document text
- https://inpetfipen1982.files.wordpress.com/2018/04/jupejo-referat-na-temu-niuton-i-ego-otkrytiia-v-fizike-7-klass-tuvifu.pdfIn PDF document text
- https://necnighnecar1986.files.wordpress.com/2018/04/jupuvidamejunug-kolybel-rima-skachat-torrent-polnuiu-versiiu-gifadi.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn extracted file (font_00_sfnt_off0002b5f7.bin)
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_002_off0000a49d.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xA49D | 1485561 bytes |
SHA-256: 1718db8b7c6a44712dc1b3acee434281abf7527ebf6ea299260c2277eb5af585 |
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font_00_sfnt_off0002b5f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2B5F7 | 27032 bytes |
SHA-256: 66312b07934a3457f48ffb38adb9f3cc0367440eecca346aa942cf4b0359eb91 |
|||
font_01_sfnt_off0002f2a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2F2A4 | 15716 bytes |
SHA-256: 76091497f2ca3afedd9e70e3a29e104ecae172d04d0ab22010c7c9a722ee841f |
|||
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