PDF malware analysis — malicious · 7c15a1fe01303a26

MALICIOUS

PDF

42.1 KB Created: 2021-03-09 20:24:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: 340a04b648be650fedb3cea5dd100674 SHA-1: 7c9d8bc50b5799fa3ffaae705bf3d8242dfda789 SHA-256: 7c15a1fe01303a26e7042103169593c868db57f7ba8b8f638d0aecb12af51349

144 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure with an image-only design and a clickable action. It contains multiple external URIs, including one pointing to 'seumenha.ru', which likely serves as a redirection to a malicious site. The document body is heavily obfuscated, but the presence of PDF-specific heuristics and numerous suspicious URLs indicates an attempt to lead the user to a compromised resource.

Machine Learning

Nyx PDF Classifier malicious score 0.8252

Heuristics 5

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE

PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 42 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small 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.
External URI info PDF_URI

PDF contains an external URL action
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://seumenha.ru/aws?utm_term=remington+700+sps+tactical+detachable+magazine
- http://istlan.space/27239962204uprc1.pdf
- http://sakulog.sportsontheweb.net/sketchup_8_download_old_version.pdf
- http://chaptejvxz.fun/tropic_of_cancer_capricorn_and_equator_pass_through_which_continentlasjk.pdf
- https://cdn.sqhk.co/xarozowuzosa/tgjhwPl/the_wonder_weeks_book.pdf
- https://cdn.sqhk.co/patagarinixa/cjhEnid/98333469823.pdf
- http://topcreditscore.info/41554441143yph0t.pdf
- http://reduslimer.website/136760966734519c.pdf
- https://cdn.sqhk.co/virawamimozi/SMCjfhc/mystic_messenger_email_guide_v_route.pdf
- https://cdn.sqhk.co/livaxipovage/ibK2ibk/99089439234.pdf
- http://pifemukopisare.sportsontheweb.net/how_to_measure_volume_of_cylindrical_tank.pdf
- http://xagixowedobosab.medianewsonline.com/download_microsoft_xbox_360_controller_driver_windows_7.pdf
- http://stalekost.site/space_armor_2_mod_apk_obbe53vb.pdf
- http://tozaworewinox.mywebcommunity.org/zetubozelusumafujexedi.pdf
- http://lavkavkusa.store/romeo_and_juliet_act_1_vocabulary_worksheet_answer_key6yvza.pdf
- https://cdn.sqhk.co/dedomafub/18gfgje/super_stickman_survival_2_apk.pdf
- http://segway-wheelchair.ru/800_calorie_diet_to_lose_weight_fast46kaw.pdf
- https://s3.amazonaws.com/sajezife/73149728289.pdf
- https://s3.amazonaws.com/zifilobesumafi/the_charisma_myth_audiobook.pdf
- https://s3.amazonaws.com/lovomijelun/altivar_12_user_manual.pdf
- https://s3.amazonaws.com/xupizewuxere/beauty_and_the_beast_disney_song.pdf
- https://s3.amazonaws.com/jodabiladezot/81712410378.pdf
- http://livirava.atwebpages.com/90736957106.pdf

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