PDF malware analysis — malicious · 80d449926d7d7451

MALICIOUS

PDF

68.2 KB Created: 2021-04-03 16:51:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21

MD5: 3cf432532f3157e4381481d727d88ad0 SHA-1: 7b32dfb663307d589242d8a1ec30629dcb2a3d84 SHA-256: 80d449926d7d7451a7b6697ac073f608e5c41c523e22be1b8d3ec9b7072b8543

184 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains numerous embedded URLs, many of which point to disposable hosting or known malicious redirectors. The document body, though heavily obfuscated, appears to contain text related to product manuals, suggesting a lure to disguise malicious links. The presence of PDF_MALICIOUS_REDIRECTOR_LINK and PDF_SEO_DISPOSABLE_LINK_FARM heuristics strongly indicates a phishing or malicious redirection attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 5

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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 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.
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://crophysi.ru/strik?utm_term=how+to+use+a+rival+electric+food+slicer In PDF document text
- http://fukijuwevo.getenjoyment.net/how_to_set_time_on_skmei_1163_watch.pdfIn PDF document text
- https://givepatodanino.weebly.com/uploads/1/3/6/0/136097232/6714081.pdfIn PDF document text
- http://duvejajenivogik.getenjoyment.net/xirodajasidimozibu.pdfIn PDF document text
- https://loguxofe.weebly.com/uploads/1/3/0/7/130775118/1808283.pdfIn PDF document text
- https://cdn.sqhk.co/bapuwanuvadi/gcgByhf/ccna_bangla_book_free.pdfIn PDF document text
- https://cdn.sqhk.co/lerapuraroke/j7Fsieq/badofafipuxoxavefafaxud.pdfIn PDF document text
- https://jematujevuzonip.weebly.com/uploads/1/3/4/2/134235480/2833fce670b0.pdfIn PDF document text
- https://cdn.sqhk.co/wolanojijen/pWBjfZ1/xamilefewopiviwo.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/5d664fd9-4667-4d18-9574-aca27e9b962b/sears_12_inch_band_saw_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ae872fe-7b05-47b6-b29f-3419501acdfe/where_is_ok_button_on_dish_remote.pdfIn PDF document text
- https://850a36a1-966c-46c3-86ed-e15bcb5778a7.filesusr.com/ugd/ede58b_71ca918e56cf41059a65baf557644430.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gawabog/23720345126.pdfIn PDF document text
- https://2a26c5f8-c4f8-4af8-830b-7e2c9961bd8e.filesusr.com/ugd/2e4362_afcf9c96e8f849e49aa1314128ffea67.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8d672413-90f2-4a64-8d4c-1ef237430952/volume_price_analysis_examples.pdfIn PDF document text
- http://pupowelepidojek.onlinewebshop.net/vuwepuzex.pdfIn PDF document text
- https://s3.amazonaws.com/leributafa/vujub.pdfIn PDF document text
- https://s3.amazonaws.com/zarusegibitumet/twilight_saga_movie_songs_free_download.pdfIn PDF document text
- https://s3.amazonaws.com/wovugi/marumoroxoboxawomelatezuz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/351c64a3-f94e-4c91-adef-cf63bfb8dc0d/how_do_you_make_an_equilateral_triangle_in_a_circle.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_off0000c449.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC449	4904 bytes
SHA-256: `78f5e013a8d2276d2ff377b5c4485c308cfe617b14398f3128a86975e7f8cab3`
`font_01_sfnt_off0000d51d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xD51D	9460 bytes
SHA-256: `10d63e250c9b217db289c9bcb433021d82fbfda42c897bd2e86e076ea754f13d`
`font_02_sfnt_off0000f562.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF562	4324 bytes
SHA-256: `4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3`

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