PDF malware analysis — malicious · c42a916845341067

MALICIOUS

PDF

76.3 KB Created: 2021-03-14 18:12:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)

MD5: c304e7ae0704584e025ce2c4ac6f78b4 SHA-1: e0555f52c602a9cd89cd209831d47b8c0f6c2a21 SHA-256: c42a9168453410672ca90ca99f01e900be8fb123fab32d65d366e8a1eac56773

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is a PDF document that contains an embedded URI pointing to a suspicious domain, identified by ClamAV as Pdf.Phishing.Trojan. The ML classifier also flagged this PDF with high confidence. The document body, though heavily obfuscated, appears to be related to search terms, suggesting a phishing or social engineering lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

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://maypoin.ru/wix?keyword=ceramics+crossword+puzzle+answers
- https://static.s123-cdn-static.com/uploads/4415543/normal_5fdf71abd5352.pdf
- http://mitimewigupito.mypressonline.com/debak.pdf
- https://cdn.sqhk.co/definuseju/jh2jjqk/52835985476.pdf
- https://cdn.sqhk.co/kosibowo/7dHrCig/chef_fever_crazy_kitchen_restaurant_cooking_games_apk.pdf
- https://cdn-cms.f-static.net/uploads/4477615/normal_600c80e122b95.pdf
- https://cdn-cms.f-static.net/uploads/4420037/normal_60379b5f58a39.pdf
- https://cdn.sqhk.co/dijadive/jarPicv/ias_interview_questions_and_answers_in_tamil.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://tulajadulixo.myartsonline.com/nujekibenorufuvofivup.pdf
- https://s3.amazonaws.com/rolefosiju/mipatuwijazubosexobixik.pdf
- http://visasefiji.rf.gd/38695010295.pdf
- https://s3.amazonaws.com/jijumupade/android_box_astro_lowyat.pdf
- https://s3.amazonaws.com/xixonu/93124531503.pdf
- https://s3.amazonaws.com/wunupalezozerud/visual_studio_android_emulator_command_line.pdf
- http://doriponesarom.myartsonline.com/jizebonuwenizelarobix.pdf
- https://s3.amazonaws.com/gulapore/89191283892.pdf
- https://s3.amazonaws.com/lupebesu/arbys_menu_specials_2020.pdf
- https://s3.amazonaws.com/pewebopufupe/3977795125.pdf
- http://gomiguru.epizy.com/56773082063.pdf
- https://s3.amazonaws.com/dowesitobuga/92197034813.pdf
- http://gezexibubaju.rf.gd/numesobadekiwegasomedib.pdf
- http://jemibare.epizy.com/33978843486.pdf
- https://s3.amazonaws.com/petikamov/kawijesepubolewaredewapis.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_off0000edf9.bin` `10f884b0a85b2ada4fb46a6e8c8e00daeb340ab0fc28c680dab715adb7ef00a9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEDF9	5264 bytes
`font_01_sfnt_off0000ffdc.bin` `f2c94c26005e3e97b0a70e97c0111982fad710abb3bd19420c9eb73ef67b93dd`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFFDC	10460 bytes

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