PDF malware analysis — malicious · aa8d8afed2637745

MALICIOUS

PDF

75.7 KB Created: 2022-05-01 11:33:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06

MD5: c1a67676d1c1bc6b3849322fe764e319 SHA-1: 50608649d57416ba62df0356f1431f17e4f62b54 SHA-256: aa8d8afed26377459c3fbf2447a7181ead684434a65b35b2b8c3e328cb709689

266 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 8

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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.
Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
MFA / one-time-code harvesting lure high SE_MFA_LURE

Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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://wirut.co.za/YmrXLWy8?keyword=how%20to%20hard%20reset%20lorex%20password PDF link annotation
- https://vowuzuvave.weebly.com/uploads/1/3/4/8/134884034/vuzetikotoke.pdfIn PDF document text
- https://dijibuxanizaxi.weebly.com/uploads/1/3/4/8/134859775/2106164.pdfIn PDF document text
- https://wubomedigupuda.weebly.com/uploads/1/3/4/6/134696881/f8071290d67aa.pdfIn PDF document text
- https://nipufosuvomabuz.weebly.com/uploads/1/3/3/9/133999137/nipatigetozes-judatu-xamon-pogupanawi.pdfIn PDF document text
- https://dobre-akce.cz/media/files/file/xiwukifimusom.pdfIn PDF document text
- https://wexokoxenasebun.weebly.com/uploads/1/3/1/4/131406289/ziwojotopesoje.pdfIn PDF document text
- https://zabaparadasikid.weebly.com/uploads/1/3/4/3/134317604/xenujafiv.pdfIn PDF document text
- https://xijeruwenuvu.weebly.com/uploads/1/3/4/0/134018409/tureno_difiz_diripugale.pdfIn PDF document text
- https://lababober.weebly.com/uploads/1/3/5/3/135329518/3683038.pdfIn PDF document text
- https://wukajimodowel.weebly.com/uploads/1/3/0/8/130874313/teleloroxirak.pdfIn PDF document text
- https://bomoturu.weebly.com/uploads/1/3/1/3/131384468/zitububadofexu_ruted_sufisumi_sodivuzu.pdfIn PDF document text
- https://wazepitufakox.weebly.com/uploads/1/3/4/7/134735855/polixexu_xodoxemefif_wobalol_jusipi.pdfIn PDF document text
- http://www.ztc.hekko24.pl/panel/kcfinder/upload/files/65575601884.pdfIn PDF document text
- https://mijonuguvozu.weebly.com/uploads/1/3/1/8/131871478/wokijejoko.pdfIn PDF document text
- https://sizikipumaxa.weebly.com/uploads/1/3/0/7/130739349/tibelavixufojuginamo.pdfIn PDF document text
- https://newopavovopiso.weebly.com/uploads/1/3/4/0/134000505/8573423.pdfIn PDF document text
- https://zaketedojerobi.weebly.com/uploads/1/3/6/0/136023974/547535c8672fd.pdfIn PDF document text
- https://vixawesomuwevu.weebly.com/uploads/1/3/5/3/135387162/rujigetopupod_rezekix.pdfIn PDF document text
- https://tiwotutekog.weebly.com/uploads/1/3/4/7/134722077/raxemifogolanike.pdfIn PDF document text
- https://wujiwugamibi.weebly.com/uploads/1/3/1/3/131398142/devunefakosano_kekuvaxawezi_mibavipegam_delowu.pdfIn PDF document text
- https://vuxizufekek.weebly.com/uploads/1/3/4/8/134864169/minip.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000c4f6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xC4F6	16828 bytes
SHA-256: `1cc22ed54e7187172e601220d65bdab1641f5efd891f008e7d1eac637e59f979`
`font_01_sfnt_off0000f0d8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF0D8	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off000108ef.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x108EF	10472 bytes
SHA-256: `17fffcf9265ed69088d441c65c014906f7f6c24b125f648cdae492772996c8fb`

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