PDF malware analysis — malicious · 7a0b25d1290cc5ea

MALICIOUS

PDF

88.8 KB Created: 2021-03-20 04:29:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17

MD5: af494d9f481bc14476401e51542fd116 SHA-1: 6f5f2a3c7e056fa73b8dee9d2b033fa87cd77e25 SHA-256: 7a0b25d1290cc5eaad8e04441397453df01afa288e74a2e69091880b84d3c487

186 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous external links, many pointing to disposable domains, suggesting a link farm or phishing operation. The document body, though heavily obfuscated, contains references to 'nba live apk hack', indicating a lure. The presence of PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports the malicious intent of directing users to potentially harmful websites.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small 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.
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
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://druttle.ru/wix?keyword=nba+live+apk+hack PDF link annotation
- http://didopikorubozav.iblogger.org/vegoziwadokipavu.pdfIn PDF document text
- https://cdn.sqhk.co/valujoper/OBijjiO/kinewemawafuze.pdfIn PDF document text
- https://cdn.sqhk.co/raxoxawupej/aIBnchi/nethack_wiki_sokoban.pdfIn PDF document text
- http://sopisafexuj.sportsontheweb.net/how_to_figure_out_molecular_orbital_configuration.pdfIn PDF document text
- https://cdn.sqhk.co/latosagax/iibLCss/zombie_catchers_2_game_download.pdfIn PDF document text
- http://gagimubu.mywebcommunity.org/vajutiwavopaxa.pdfIn PDF document text
- https://cdn.sqhk.co/dujagazatad/kihSXwp/xijoxefizen.pdfIn PDF document text
- http://sawemawe.mywebcommunity.org/rampage_v_extreme_bios_switch.pdfIn PDF document text
- http://vizazovabula.mywebcommunity.org/mcgraw_hill_anatomy_and_physiology_book.pdfIn PDF document text
- https://cdn.sqhk.co/govamopega/jSgjIij/92837314171.pdfIn PDF document text
- https://cdn.sqhk.co/zuzipogowita/hcifqVB/21244157260.pdfIn PDF document text
- http://www.opentle.orgIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/najipavez/16848274552.pdfIn PDF document text
- https://s3.amazonaws.com/topipovikapari/air_tv_apps_for_android_phones.pdfIn PDF document text
- https://73a1781f-5c9f-4c76-8a11-a8e8c44f336a.filesusr.com/ugd/d9f7b5_b25680e1db0f4365ba08f3033fef7594.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/zuniverijesud/wuzokenalifavejinanuwow.pdfIn PDF document text
- https://a2ae8793-a99f-480d-a3bc-849ef63d34f7.filesusr.com/ugd/cc207a_2f5a43025aad47a3adb4487312eafe54.pdf?index=trueIn PDF document text
- https://f8d4b294-f952-4a11-85e8-0a3036f9bdaf.filesusr.com/ugd/ad8f3a_84ec06d1143646c89b734539504e943c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wewuxuviwar/star_wars_age_of_republic_villains_read_online.pdfIn PDF document text
- http://jazojogebi.rf.gd/21333496782.pdfIn PDF document text
- http://duzoweserunojoj.epizy.com/65610858356.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://www.gnu.org/licenses/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off00010644.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x10644	15756 bytes
SHA-256: `8f1568211a66929437f56cb34f22c4a479fc72ac52d7a29c5df4c9207d3caa30`
`font_00_sfnt_off0000f550.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF550	4980 bytes
SHA-256: `4a31d0245070cb09551b639944b391539edf0f54b77ff0524a2e637951d58285`
`font_02_sfnt_off0001311c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1311C	10600 bytes
SHA-256: `7fc1f168cc854d1740276eff31c1ec673f7a1ca6f20e33f29b0b6c1fd1b8d1b4`

Open this report in the interactive analyzer, or submit your own file for analysis.