PDF malware analysis — malicious · a803c3c125ea03b7

MALICIOUS

PDF

613.8 KB Created: 2023-05-29 05:57:28 +03:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 5.15.4) First seen: 2026-06-10

MD5: a0cf97e5760e10efc32b1f8c19a362e1 SHA-1: 117d6393346a6713a01e950b1cc4012a87dad114 SHA-256: a803c3c125ea03b78e123cf224cc80b28449d4134935189dce9e73e4e583481c

106 Risk Score

Machine Learning

Nyx PDF Classifier clean score 0.1118

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
Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK

PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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://lajavu.yoyep.co.za/gdy?utm_term=single+page+website+template+bootstrap PDF link annotation
- http://www.bitstream.comIn PDF document text
- https://img1.wsimg.com/blobby/go/671d8571-de15-47bb-8cd8-b624751dbe0e/downloads/63083154487.pdfIn PDF document text
- https://img1.wsimg.com/blobby/go/d37a9b24-bc42-4cb1-ab3b-3d1b21b01aec/downloads/kikegiguwu.pdfIn PDF document text
- https://img1.wsimg.com/blobby/go/d37a9b24-bc42-4cb1-ab3b-3d1b21b01aec/downloads/proposition_subordonnee_circonstancielle_de_comparaison_exer.pdfIn PDF document text
- https://img1.wsimg.com/blobby/go/671d8571-de15-47bb-8cd8-b624751dbe0e/downloads/payment_settlement_letter_format.pdfIn PDF document text
- https://img1.wsimg.com/blobby/go/d37a9b24-bc42-4cb1-ab3b-3d1b21b01aec/downloads/4110236793.pdfIn PDF document text
- https://img1.wsimg.com/blobby/go/7c4463e3-109c-48af-b9be-98e22cdf2116/downloads/94373341526.pdfIn PDF document text
- https://img1.wsimg.com/blobby/go/d37a9b24-bc42-4cb1-ab3b-3d1b21b01aec/downloads/fixaxajex.pdfIn PDF document text
- https://img1.wsimg.com/blobby/go/671d8571-de15-47bb-8cd8-b624751dbe0e/downloads/shadows_of_the_empire_comic.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off000948cc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x948CC	15416 bytes
SHA-256: `c75e1598fd025e79c3fd61988433370e4b411dd0f0c0c14e3361d9a5edadc384`
`font_01_sfnt_off000971ea.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x971EA	9980 bytes
SHA-256: `5d991e190c72bd915ddef00c5bd7eb7c9c90d0e7d2ee29725f6daf9e68257e96`

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