MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links pointing to a redirector service, identified as a malicious link farm and SEO spam. The document body, though heavily obfuscated, suggests a lure related to 'Google pdf to word converter gratis', aligning with phishing or scam tactics. The presence of numerous external links, including a link farm, indicates an attempt to drive traffic to potentially malicious sites.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=google+pdf+to+word+converter+gratis In PDF document text
- http://files.empowerunit.org/uploads/1/3/1/3/131384468/lozapiwo.pdfIn PDF document text
- http://files.investphilippinestaiwan.com/uploads/1/3/0/8/130874160/ketubuzos_niwuxum_sejelekevibe_poveto.pdfIn PDF document text
- http://files.canal-art-by-julie.co.uk/uploads/1/3/1/4/131438240/3298022.pdfIn PDF document text
- http://files.gas-engineer-training.co.uk/uploads/1/3/1/4/131409037/4417561.pdfIn PDF document text
- http://files.theculturedmushroom.com/uploads/1/3/2/7/132710497/109cc87599b62e.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/1/0429/7015/3113/files/59740231208.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7948/3044/files/sunex.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5048/4390/files/72065134665.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/2514/5760/files/68464699058.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/7237/3414/files/tujosajorikajida.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/8184/2341/files/depifekewusukatabija.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0436/0205/1235/files/kenuwediwozawipaxatopizit.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/3924/3931/files/4784391094.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/9338/5633/files/sobup.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/7620/6238/files/38292797901.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/9722/5368/files/70806784967.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/2990/5058/files/41383536469.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_off00007099.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7099 | 5292 bytes |
SHA-256: 91c5dbccf4285fd8aaf72e18612a6a3cb546d95960a481cbde57f3fb02e800c3 |
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font_01_sfnt_off000082c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x82C3 | 10052 bytes |
SHA-256: f3a561f70061e7eb1cbf52d490c72ec81f516a712e9cccc94c60f1f5fcea1af7 |
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