MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
This PDF file contains a large number of embedded links, a common technique for SEO poisoning and redirecting users to malicious sites. One prominent link, 'https://ttraff.ru/pify?keyword=aptoide+for+windows+xp', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and appears to be a lure for software downloads. The presence of numerous links to Shopify-hosted PDFs suggests an attempt to create a link farm for SEO manipulation, ultimately leading to the malicious redirector.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://ttraff.ru/pify?keyword=aptoide+for+windows+xp In PDF document text
- http://files.elizabethgreenbrighton.co.uk/uploads/1/3/1/3/131379594/bekovofikavazit-fotarazavexodo.pdfIn PDF document text
- http://giwekeg.senojwatches.com/uploads/1/3/0/8/130814328/kikokomedinoguvuba.pdfIn PDF document text
- http://files.obclansing.org/uploads/1/3/0/7/130738876/zogikudiwiju.pdfIn PDF document text
- http://dojovovu.aspinehealth.org/uploads/1/3/2/6/132682533/vonak.pdfIn PDF document text
- http://veromobox.toughguardsingapore.com/uploads/1/3/0/7/130739783/dafigatuxezitom-minag-padosutivilisi-tukugaranolosas.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4749/4567/files/nusamowopiboregopubal.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/6248/4383/files/wituxularepogapiribelewed.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/6772/6232/files/sukadowekewaxa.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9062/5191/files/44852681515.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/4087/4408/files/avancemos_1_workbook_answer_key.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/1616/7328/files/94898788797.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/1241/3851/files/84571133187.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/2732/4310/files/86004374193.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8577/4502/files/71841610793.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/1712/3486/files/90763617804.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/4089/7184/files/78382544394.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/4218/6150/files/worugudufufug.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/2729/9478/files/warhammer_40k_tau_codex.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E4C | 4940 bytes |
SHA-256: 743bc20b67a0a21a6fdd89f37fd0c89b6f96367d0a323c3f38bff4d0bfd31865 |
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font_01_sfnt_off00007f3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F3E | 10036 bytes |
SHA-256: 10e68073ef46544d919925b6d20ccdd05d6d16c5d8aa0922a4e8e38eb6daf8ad |
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