PDF malware analysis — malicious · fb7e5875f9ae2f2e

MALICIOUS

PDF

49.1 KB Created: 2020-10-27 18:34:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 2f797fa29db888c3f56d699db3b8f492 SHA-1: 165e5950e48d9cf6f4e5a19448a1fb809c0c0249 SHA-256: fb7e5875f9ae2f2e53a4d6a9ea9a69cdbd995319d428f96bff761dbc4fa8cca6

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a link that redirects to known malicious infrastructure, disguised as a search result for game cheats. This heuristic, combined with the ML classifier flagging the PDF as malicious, indicates a phishing or redirection attempt. The document body, though heavily obfuscated, contains the same URL, reinforcing the malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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.
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://gettraff.ru/strik?keyword=how+to+unlock+all+characters+in+mario+kart+wii In PDF document text
- https://gozofuma.weebly.com/uploads/1/3/0/8/130874065/gedosimosivujojad.pdfIn PDF document text
- https://nofakefol.weebly.com/uploads/1/3/4/3/134341926/damadek.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://s3.amazonaws.com/wovitiku/tafsir_al_quran_al_karim_en_arabe.pdfIn PDF document text
- https://s3.amazonaws.com/felasorarabipis/25936715993.pdfIn PDF document text
- https://s3.amazonaws.com/sakaburepagase/pawufazaxotaxewezi.pdfIn PDF document text
- https://s3.amazonaws.com/gomakobez/deconstructive_criticism.pdfIn PDF document text
- https://s3.amazonaws.com/wilugugo/pdf_annotator_5._0._0._514_crack.pdfIn PDF document text
- https://s3.amazonaws.com/memul/brkert_6014.pdfIn PDF document text
- https://s3.amazonaws.com/memul/wanimadosiwadotumuxekiri.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fc8ab153-0328-421b-bbd6-a38487b8bb34/95486033675.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e0f57610-f7eb-4222-9ee0-a0fcd7289578/38786934544.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ecf3921b-3421-4210-bb12-5ad60496a549/bodatitejatuzemilevojuxa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5b2a5c28-b31c-49f2-ba80-69de15d03c8d/13133509987.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/927468d1-2bbb-49ac-b1a7-c7456d2468fa/asca_national_model.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/9651/4461/files/gmd_auto_hide_soft_keys_pro_apkmania.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/1966/5561/files/k4l_video_trimmer_android.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6373/6485/files/74991315232.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0485/1770/9986/files/66143448115.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0505/6941/2776/files/dakudedapoli.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6381/0975/files/80254552702.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4715/7914/files/vocabulary_workshop_level_a_unit_8_answers_synonyms.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2137/7434/files/speech_goals_for_hearing_loss.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_off00007284.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x7284	5040 bytes
SHA-256: `d1c697377b5b7df229e41f7b31b8393bb5a1c786204a6379f48b011da84be2a2`
`font_01_sfnt_off00008384.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8384	10932 bytes
SHA-256: `2205f565fa80205721cface680f823594401ad542553302fbdf584d7966f9c73`
`font_02_sfnt_off0000a886.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA886	4324 bytes
SHA-256: `0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333`

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