PDF malware analysis — malicious · 60ba6f31ef825ccc

MALICIOUS

PDF

83.8 KB Created: 2021-05-25 19:07:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22

MD5: 7c0c08f622c2abd04f3f3ed487f35d60 SHA-1: e6f0966daab4ea636e9b16d57bfd2026838cc7c0 SHA-256: 60ba6f31ef825ccc0efa68d30d2f5a9ab71fd10b7ce8871f35d308fe8d5e1919

164 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9993

Heuristics 6

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 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.
Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON

Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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://dugedepap.ru/strik?utm_term=windows+xp+telephone+activation+key PDF link annotation
- https://wurilulisewanid.weebly.com/uploads/1/3/4/7/134728532/natuninif.pdfIn PDF document text
- https://juziwujaxizeze.weebly.com/uploads/1/3/4/6/134685910/1175876.pdfIn PDF document text
- https://dugaxopi.weebly.com/uploads/1/3/5/3/135305828/koxogo.pdfIn PDF document text
- https://xitapazutirubej.weebly.com/uploads/1/3/4/8/134882608/dogomapajizam-serobafejotij-sifulolelos-nadugukene.pdfIn PDF document text
- https://kukurako.weebly.com/uploads/1/3/5/3/135321284/jamidobaripode_ludejelesoti_mojitax.pdfIn PDF document text
- https://tetavezodumop.weebly.com/uploads/1/3/4/6/134645623/gizowobevebot.pdfIn PDF document text
- https://mugilofovoki.weebly.com/uploads/1/3/4/6/134616553/caddb2c0693ca48.pdfIn PDF document text
- https://vufupobuzalezu.weebly.com/uploads/1/3/4/8/134853030/233e47508a43c.pdfIn PDF document text
- https://rotarivinevi.weebly.com/uploads/1/3/4/5/134599250/2f962b4f.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/batiku/46241635054.pdfIn PDF document text
- https://s3.amazonaws.com/mipizaju/mfj_945e_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/539c7ebe-0fe0-4740-96f8-f08e420a482d/harman_accentra_combustion_blower_replacement.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5899ada3-6663-45be-a5ec-2e2ed4b448bb/is_the_big_short_on_netflix.pdfIn PDF document text
- https://s3.amazonaws.com/bupaxomu/causal_inference_in_statistics.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4d950f85-af3b-47b1-96d7-c44a7de75bf4/sazonibamavus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/41c4798d-b483-4e45-83ef-0b3f75725f8f/alesis_dm6_drum_kit_manual.pdfIn PDF document text
- https://s3.amazonaws.com/dobesogum/peziwabuzaxadulowotop.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e4962bdc-a450-41d6-9893-461f2e6ba30f/best_superhero_graphic_novels_for_adults.pdfIn PDF document text
- https://s3.amazonaws.com/mujevubutukoxu/cat_cj3000_wont_charge.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d97ff638-9060-4977-9d73-36c61558ed7d/wajimaladutoval.pdfIn PDF document text
- https://s3.amazonaws.com/bajapovogam/doxaxa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c0e76cf9-2a26-4b7a-a7a8-4bda938833fe/list_of_danielle_steel_books_2019.pdfIn PDF document text
- https://s3.amazonaws.com/dazovosugev/i_look_forward_to_spending_the_rest_of_my_life_with_you_quotes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e47dd05c-d917-456b-a3e6-cd2e12301178/41921614208.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00010961.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x10961	5464 bytes
SHA-256: `c3fa786b7cd08c43ce13a4665df6a4f7483949127306793c2ff94b8ecaed5edd`
`font_01_sfnt_off00011c17.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11C17	10980 bytes
SHA-256: `1d6b51cc9fbd010f059f7977b65eb690e0a44d76c41223d059f7800505cab1ef`

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