MALICIOUS
234
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains multiple heuristics indicating malicious redirection and link farming, specifically pointing to a redirector URL that is part of a phishing lure. The document body, though heavily obfuscated, contains the phrase 'Vehicle health check sheet pdf' and the malicious URL, suggesting a phishing attempt to trick users into downloading further malware. The presence of numerous external PDF links, many pointing to Shopify domains, indicates a link farm designed to improve SEO for malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 6
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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=vehicle+health+check+sheet+pdf In PDF document text
- http://files.trendyjewelsbymanish.shop/uploads/1/3/1/3/131398547/2905080.pdfIn PDF document text
- http://files.exeterthreading.co.uk/uploads/1/3/1/0/131069886/f7ad48d.pdfIn PDF document text
- http://files.northamericancatholicecumenicalchurch.org/uploads/1/3/1/4/131452887/wamok.pdfIn PDF document text
- http://mavasatez.drcrivello.com/uploads/1/3/1/6/131636725/2044583.pdfIn PDF document text
- http://files.aliceinfinitycosplay.com/uploads/1/3/0/9/130969315/8d4bd1cd.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/1/0431/8871/5682/files/nofarawasofe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/4424/7451/files/intro_stats_deveaux_4th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9902/7611/files/27176125092.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wizivudid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6459/7397/files/it-_201_2017.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/7379/8298/files/72043826013.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/34888362351.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4535/5682/files/poxedodizedev.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5271/1581/files/99371824242.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/8038/4674/files/pujidox.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/7209/2315/files/dinitezu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9832/4638/files/marukum.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0440/8619/8424/files/sadasaxiroxiba.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_off000062e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62E5 | 5176 bytes |
SHA-256: f0844e69be2e0776d1b9e03c2d6da145bbe8a3abf5ef0baa13eb425fb368ada6 |
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font_01_sfnt_off00007489.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7489 | 10212 bytes |
SHA-256: d0825cc8ed3a981f84907e9db5a85d9a53aa3b9e1a485e0907f26fa9a96c19dc |
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