PDF malware analysis — malicious · 67efd0caf069bbb9

MALICIOUS

PDF

77.2 KB Created: 2021-03-18 07:23:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30

MD5: 3945126707fac4953c775dfb172ceaea SHA-1: 81589fc952de11b1d94da043438b9563164b06ac SHA-256: 67efd0caf069bbb9dcbb7c54bd3c41a1aaa5626838242aac7e92b25e84dd7a03

126 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, with a significant portion pointing to disposable domains and potentially malicious content, such as the link farm heuristic suggests. The document body, though heavily obfuscated, contains references to 'u boat game guides' and authoring information that may be part of a lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9991

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
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://xajibur.ru/wix?keyword=u+boat+game+guides PDF link annotation
- http://ital-girl.space/lcp_2_partse4z6e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475577/normal_6005beb365bfe.pdfIn PDF document text
- http://marketitaly.info/assamese_rock_album_songsw18uv.pdfIn PDF document text
- http://everydays.space/61100193621nbdu3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464996/normal_5fd7d03242ae0.pdfIn PDF document text
- http://help-service-support.com/digicel_sales_applicationsafnhp.pdfIn PDF document text
- http://vienvozvrat.site/he-man_and_the_masters_of_the_universe_netflix_cast5zfou.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454807/normal_5fd94655bc73a.pdfIn PDF document text
- http://samozanyat.info/how_to_crochet_a_granny_square_afghan_for_beginnerswir29.pdfIn PDF document text
- http://mylevel.store/88080186842iu1s.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/60b1d4df-7c63-4684-90a0-70ac9156e899/can_i_study_for_gmat_on_my_own.pdfIn PDF document text
- https://s3.amazonaws.com/sefepugolupalax/usda_report_corn.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/08b59787-ba11-4990-83af-5d011d7c4b58/danco_insinkerator_disposal_repair_kit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ba30ceea-fd6c-46f5-9903-4fdaf9935d7d/futuferedo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8c2ee10b-4c78-4a1e-a515-398314347040/vewutusugofujexabopozofe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/caa4dbf3-28ed-454b-91b0-f906db1c0620/powerbeats2_wireless_headphones.pdfIn PDF document text
- https://s3.amazonaws.com/desekusoxi/77790775758.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a97cc1c5-977c-4c69-8087-005fb33dbee1/vibagaxekute.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/88780a50-a2f8-41c3-9797-305d4955a902/57210290379.pdfIn PDF document text
- https://s3.amazonaws.com/bulolimepol/19327261870.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/92dae8b0-fd51-4a57-a46f-ee616f84fbeb/24758524590.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c155dfe8-3354-470c-9a1d-fe80a65d2c1d/70070410745.pdfIn PDF document text
- https://s3.amazonaws.com/wibadinavosunom/filsafat_utilitarianisme.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e417.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE417	4924 bytes
SHA-256: `71b7c560d1f42ab22d4e8df8827576d940948153d4f95414699ed930d5841fb4`
`font_01_sfnt_off0000f4df.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF4DF	10716 bytes
SHA-256: `6a010ea7f8cc11c0ad4de0dd42123e51586a0c237ef783a8193a1cf9f1586b0d`
`font_02_sfnt_off0001199f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x1199F	4324 bytes
SHA-256: `a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f`

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