PDF malware analysis — malicious · f34f8044e65bc1ae

MALICIOUS

PDF

78.5 KB Created: 2021-04-07 06:20:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 9a7354daff2c7fea4f105cba4414a668 SHA-1: 563276b7b264be287f414a623c0edaed38610ee0 SHA-256: f34f8044e65bc1aec4db6a873222ea7e56d323dc4cefa9573d7e4d91575b2709

184 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains embedded links that redirect to a known malicious domain, indicating a phishing or malware distribution attempt. The document body, though heavily obfuscated, appears to contain keywords related to a product, likely a lure. The ML classifier and ClamAV detection strongly support the malicious verdict.

Machine Learning

Nyx PDF Classifier malicious score 0.9991

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://yafferge.ru/strik?utm_term=troy+bilt+tb42+drive+belt In PDF document text
- http://mitimewigupito.mypressonline.com/the_pillars_of_the_earth_xbox_one_gameplay.pdfIn PDF document text
- http://tokudujadi.medianewsonline.com/mowavubibomonaxogoz.pdfIn PDF document text
- http://tidemelewofu.iblogger.org/putininijaximuxaborerek.pdfIn PDF document text
- http://riniwodifole.medianewsonline.com/duruse.pdfIn PDF document text
- https://cdn.sqhk.co/lebapivi/9hiaBoD/nupodutipeja.pdfIn PDF document text
- https://cdn.sqhk.co/xarozowuzosa/hiJidjB/road_racing_car_racing_cartoon.pdfIn PDF document text
- https://cdn.sqhk.co/kabevapixox/Tiaighc/long_range_weather_forecast_new_york_state.pdfIn PDF document text
- http://zexorusawuwurew.sportsontheweb.net/2nd_grade_math_addition_worksheets.pdfIn PDF document text
- http://xudogiborijum.66ghz.com/koroxeluvuroki.pdfIn PDF document text
- http://kawibijew.22web.org/che_guevara_books_in_telugu_free_download.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/vedexajawo/tozepovukegaxebu.pdfIn PDF document text
- http://xokutamewa.rf.gd/annals_of_physics_latex_template.pdfIn PDF document text
- https://s3.amazonaws.com/mixanaz/72664124163.pdfIn PDF document text
- https://77701ba7-c5ad-4750-ab17-5b03548f7fc0.filesusr.com/ugd/9a242c_0b547b8e83c44b5ba8de4e7e4db30e17.pdf?index=trueIn PDF document text
- http://motiwuk.rf.gd/20611890177.pdfIn PDF document text
- https://s3.amazonaws.com/dazifozixawus/nowezitufagigil.pdfIn PDF document text
- http://nosawakudik.myartsonline.com/writing_algebraic_equations_from_word_problems.pdfIn PDF document text
- https://s3.amazonaws.com/watajive/2202479641.pdfIn PDF document text
- https://9db8f275-5044-409a-aa1b-3306d9dda9bd.filesusr.com/ugd/361f4b_2aeda5a49ff34fc492b6d253f6dde803.pdf?index=trueIn PDF document text
- http://jisuligube.epizy.com/zuwogas.pdfIn PDF document text
- http://kobivivobobemod.epizy.com/89906067351.pdfIn PDF document text
- http://sasaroguri.rf.gd/carbon_nanotubes.pdfIn PDF document text
- http://xaxuvep.epizy.com/wojuvawediposevipexaseben.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_off0000e5fa.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE5FA	4584 bytes
SHA-256: `b28e8b3b13adfae68cfb4dd1017ed34fa317b057858cd87455f37f3355cda049`
`font_01_sfnt_off0000f5b4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF5B4	11856 bytes
SHA-256: `e1a0a35478d09703217be926f5fb333df77d46369a81d9c99e19d4a11008d908`
`font_02_sfnt_off00011e00.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11E00	4324 bytes
SHA-256: `05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176`

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