PDF malware analysis — malicious · f661587591144934

MALICIOUS

PDF

81.3 KB Created: 2021-02-13 10:40:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23

MD5: a4a69991c6a44beea11b367399dd90d2 SHA-1: a552405a806b88c6f1b692dbef235f89a706bb4e SHA-256: f661587591144934c0f4e6297fd1facd0d2f2714fa0eb8ec4eedab88b5830670

184 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 malware distribution attempt. It contains numerous embedded links, with at least one pointing to known malicious redirector infrastructure. The document body, though largely unreadable, contains text related to 'Pantheon vs parthenon' and authoring information, suggesting a lure document. The presence of embedded links strongly suggests an attempt to redirect the user to malicious sites, likely for credential harvesting or further malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9997

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
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/123?utm_term=pantheon+vs+parthenon In PDF document text
- https://cdn-cms.f-static.net/uploads/4401976/normal_5fdc2579ae942.pdfIn PDF document text
- http://doordash.fun/piladufoxeziwubivoko5ewuo.pdfIn PDF document text
- https://diriremipujuna.weebly.com/uploads/1/3/4/2/134265666/jipoxejopaxix-xogawi.pdfIn PDF document text
- https://mafugefowodofo.weebly.com/uploads/1/3/1/3/131378796/zuzajirajeko.pdfIn PDF document text
- https://dojilosadokadog.weebly.com/uploads/1/3/4/8/134890500/wozokute.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4467318/normal_6004079b71f74.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426409/normal_5fd16e643b736.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376621/normal_5fcf616824d45.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376087/normal_5ff56a2276a1c.pdfIn PDF document text
- http://koreanluxe.com/22844057079atn1n.pdfIn PDF document text
- http://ru-en.xyz/kogagiwerufidexezikaxinaz48mj.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446401/normal_5fddae9f3322a.pdfIn PDF document text
- https://mozimokitazipa.weebly.com/uploads/1/3/1/4/131407977/77aa4b2633b.pdfIn PDF document text
- https://fiwarurebel.weebly.com/uploads/1/3/2/8/132814972/2022045.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377656/normal_6010fcbbdf46a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4482407/normal_5fd38d9017812.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/lixisariwulo/smogon_uber_guide.pdfIn PDF document text
- https://s3.amazonaws.com/ponivotigegepub/bollywood_mobile_movie_hd_mp4_free.pdfIn PDF document text
- https://s3.amazonaws.com/voxipanovigepiv/volume_booster_goodev_apk_pro.pdfIn PDF document text
- https://s3.amazonaws.com/rojalexipokadaz/video_song_er_for_android_mobile.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_off0000f4f3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF4F3	4676 bytes
SHA-256: `4e1c68bf6ef6ba468ef02662212e7174b92707e291705456135d325278dd3164`
`font_01_sfnt_off000104c1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x104C1	10984 bytes
SHA-256: `558a02317b9ff0e14b7433fcd4cf1d8b632ee48d25ba0fa69d7c7b9046cc2509`
`font_02_sfnt_off000129f7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x129F7	4324 bytes
SHA-256: `9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2`

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