PDF malware analysis — malicious · 63062b60d6bfd38e

MALICIOUS

PDF

79.8 KB Created: 2021-03-24 20:19:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-08-25

MD5: 510e871d5443c36de80dfeedbfcacfb0 SHA-1: 2b66b714a1f3520d67a7fe7bf23bbcb2e9446747 SHA-256: 63062b60d6bfd38edc95a800bb14b1e8eb34e7b88153fa5f8ab1939fbe05b5e9

186 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains a link farm with numerous external URLs, many hosted on disposable domains, suggesting a phishing or SEO spam campaign. The document body, though heavily obfuscated, appears to be a lure related to 'Manual technics sl 1200 mk2'. No scripts were extracted, but the presence of multiple external links indicates an attempt to redirect the user to malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 6

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

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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.
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.
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://fokemale.ru/wix?keyword=manual+technics+sl+1200+mk2 PDF link annotation
- https://mifanupomiseri.weebly.com/uploads/1/3/2/6/132681757/8d3907cd839.pdfIn PDF document text
- https://vivazezege.weebly.com/uploads/1/3/4/0/134041722/5463014.pdfIn PDF document text
- https://kufojinelimipi.weebly.com/uploads/1/3/0/7/130776518/duwejuligod.pdfIn PDF document text
- https://wisenuru.weebly.com/uploads/1/3/1/8/131856959/aa29a94aa.pdfIn PDF document text
- https://kazanuwe.weebly.com/uploads/1/3/2/6/132683097/7954527.pdfIn PDF document text
- https://cdn.sqhk.co/gofuzurafano/O1higAa/domino_s_meal_deals_menu.pdfIn PDF document text
- https://pevivifigevesiw.weebly.com/uploads/1/3/5/3/135315965/kuvuvegupufa.pdfIn PDF document text
- https://kakowafalajoji.weebly.com/uploads/1/3/4/4/134455686/6882459.pdfIn PDF document text
- https://bijimuxe.weebly.com/uploads/1/3/4/8/134886115/2920704.pdfIn PDF document text
- http://melakodesalef.22web.org/48778528780.pdfIn PDF document text
- https://lexijodipegi.weebly.com/uploads/1/3/4/5/134510521/zevovolenatumupulex.pdfIn PDF document text
- http://pedurovizosika.22web.org/burrraahh_full_movie_hd_720p.pdfIn PDF document text
- https://poxesaxe.weebly.com/uploads/1/3/0/7/130738711/3148348.pdfIn PDF document text
- https://cdn.sqhk.co/rufosopufu/hhgdfjc/37004145094.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/526d38ea-01d4-4c78-a1fb-d96759c22fb0/a_vce_pro_crack.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f3933b94-5062-46ec-8b6e-e077655b2f3a/bevajeguzipefuliliguliz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/22bfae6c-8c03-4cce-9f69-964cfd9d278e/oreck_airvantage_plus_hepa_air_purifier_filter.pdfIn PDF document text
- http://vimiromomekex.epizy.com/antistasi_1._8.pdfIn PDF document text
- http://betemeparax.rf.gd/fefulud.pdfIn PDF document text
- http://mekigutesazi.epizy.com/xinumuribagamamak.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_off0000ee76.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEE76	5112 bytes
SHA-256: `9c702943eb03e1fb2e4c02c96a2c335a8f9fd745026b8b286eea5b10e9ff5f55`
`font_01_sfnt_off0000ffab.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFFAB	10708 bytes
SHA-256: `ee451a63c062b09c440cba556d31f8e9b2679e9273aca61572342b3cccf269db`
`font_02_sfnt_off000123e4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x123E4	4324 bytes
SHA-256: `1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e`

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