PDF malware analysis — malicious · 19133e630ae9ef73

MALICIOUS

PDF

87.3 KB Created: 2022-04-22 08:33:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22

MD5: db3700902a56717117b0832b3912b3c1 SHA-1: 965ac7d423052d08e9943f6d90465636dd7b5a19 SHA-256: 19133e630ae9ef73c343e8a7532c1e324808acd7fd67861aee2eb4171ebbe2cd

206 Risk Score

Machine Learning

Nyx PDF Classifier malicious score 0.9997

Heuristics 7

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.
Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH

A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
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://lazav.co.za/YmrXLWy8?keyword=end%20of%20the%20world%20movie%202018%20lists PDF link annotation
- https://inprovitpuertorico.com/ckfinder/userfiles/files/53247485308.pdfIn PDF document text
- https://mexepuxirubu.weebly.com/uploads/1/3/4/6/134663189/pezijugiro.pdfIn PDF document text
- https://bocrangsuthammy.vn/upload/files/23362497405.pdfIn PDF document text
- https://pumaxodevuk.weebly.com/uploads/1/3/1/8/131872084/letuxu.pdfIn PDF document text
- http://emekyesiltepe.net/images_upload/files/86239606007.pdfIn PDF document text
- https://rizecanreklam.com/images/file/bumedasejisuken.pdfIn PDF document text
- https://hkbca.org/UploadFiles/file/20220201063448140.pdfIn PDF document text
- https://tumozoredupoki.weebly.com/uploads/1/3/0/9/130969837/fabea6849d.pdfIn PDF document text
- https://sefubokadizafa.weebly.com/uploads/1/3/4/8/134880044/6510447.pdfIn PDF document text
- https://tubemugipowiw.weebly.com/uploads/1/3/4/3/134345788/jowolageled_joruti_logurawokisono_sugitekinur.pdfIn PDF document text
- https://verdadeon.com.br/kcfinder/upload/files/xazituliduselujinidara.pdfIn PDF document text
- http://guanzhuli.com/userfiles/file/50254584080.pdfIn PDF document text
- https://b2b-intelligence.it/uploads/file/begejowilulase.pdfIn PDF document text
- https://vekeliludodim.weebly.com/uploads/1/3/4/7/134745250/dfb1882fcf7.pdfIn PDF document text
- https://punokoguset.weebly.com/uploads/1/3/5/3/135351172/zasamevodiru.pdfIn PDF document text
- http://superazs.ru/images/news/file/xopedukageriwuvasa.pdfIn PDF document text
- http://ktimavoyatzi.gr/images/files/files/xuziwowolewiraluxojore.pdfIn PDF document text
- https://zatajiwivovib.weebly.com/uploads/1/3/4/5/134529671/e7d1e4e0f0309d7.pdfIn PDF document text
- http://hyeminshop.com/DATA/files/kotoz.pdfIn PDF document text
- https://juxipidupe.weebly.com/uploads/1/3/4/6/134694928/kurazazuroduri.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_off0000f02a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xF02A	11092 bytes
SHA-256: `8032b87811fc42678948f4c1daf3842b5c8d5b8c5ae14bfaf3e47123923b2f37`
`font_01_sfnt_off000109f0.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x109F0	16792 bytes
SHA-256: `9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1`
`font_02_sfnt_off00012202.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x12202	16780 bytes
SHA-256: `8fe17593ec0e1b1eedf5fb3152018b116d2cb8469ec0ea01cd8a740714a565af`

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