PDF malware analysis — malicious · e50a6a7e6d79a71e

MALICIOUS

PDF

69.1 KB Created: 2021-03-23 09:11:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 3ec25eb56a27158077b16859c9a19818 SHA-1: d727d4b080ab418cd61aa505f86bfe2d265945bb SHA-256: e50a6a7e6d79a71ef23cb864fab6e82ba53f57f50b739a5490d14a2380f0beca

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains a heuristic firing for an external URI pointing to a suspicious domain, identified as a phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of an embedded URL suggests an attempt to redirect the user to a malicious site, likely for credential harvesting or further malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
External URI info PDF_URI

PDF contains an external URL action
Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL

The 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.
Embedded URL info EMBEDDED_URL

One 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://pelibifir.ru/award?keyword=hey+you+solo+tab+pdf
- http://help-bluebadgecenter.com/terraria_halibut_cannoneynwo.pdf
- http://ravigimojamel.mypressonline.com/78612394815.pdf
- http://vkrowl.com/15437120245bup3o.pdf
- http://thepropheticapp.com/34017477010dzsfz.pdf
- http://mikazuxo.mypressonline.com/baixar_aplicativo_apk.pdf
- http://dosijefa.mypressonline.com/how_do_i_reset_my_dometic_3_button_thermostat.pdf
- http://wovuwukotuvoxi.mygamesonline.org/23890143710.pdf
- http://spainwow.pro/monitor_de_signos_vitales_basico_cenetecdl9m7.pdf
- http://netolenogafa.getenjoyment.net/zulezofidudigegekog.pdf
- http://bogipeborowe.sportsontheweb.net/76018825932.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://lifobem.myartsonline.com/lejagitisuzofufakexezob.pdf
- http://rizivubonulej.atwebpages.com/wepipavivupadofos.pdf
- http://situwosase.myartsonline.com/38046397049.pdf
- https://s3.amazonaws.com/tugafebip/economic_development_corporation_of_sarasota_county.pdf
- http://rafetomobu.rf.gd/ugandan_gospel_worship_songs.pdf
- https://s3.amazonaws.com/mozedijiz/free_wedding_invitation_template_for_word.pdf
- https://s3.amazonaws.com/geraromu/b1_archiver_free_for_android.pdf
- http://kagijido.myartsonline.com/zorizufeporuwup.pdf
- http://gogositanisewu.rf.gd/84496269734.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000d26f.bin` `df0b88632444d87549536c99c307d2544621f14886dfd0d230f2cd007f28ee20`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD26F	5144 bytes
`font_01_sfnt_off0000e405.bin` `00d371c48a1302e23e7011af93e66553f760ab958d6b51184409149acead9382`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE405	10372 bytes

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