MALICIOUS
202
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple heuristics indicating malicious redirector links and a link farm designed to deceive users. The embedded document body, though heavily obfuscated, contains a URL pointing to a redirector service. This suggests the document's primary purpose is to facilitate the download of a secondary malicious payload through deceptive links.
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.cc/pify?keyword=applied+multivariate+methods+for+data+analysis+johnson+pdf In PDF document text
- http://files.stewartsrestoration.com/uploads/1/3/2/6/132682040/7247866.pdfIn PDF document text
- http://files.wales-on-wheels.com/uploads/1/3/0/9/130969191/2613727.pdfIn PDF document text
- http://files.ronnieroseband.com/uploads/1/3/1/1/131163986/7956122.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/1/0429/6137/1290/files/fulolilezepuk.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8770/8825/files/legibuwivob.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5744/6041/files/51331000980.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4786/1928/files/58769949860.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5299/8556/files/wifedodikusibamudaxoliwod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/1061/0584/files/miwozepusibebemenoju.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8890/3325/files/zinorumijopavagutunu.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/8512/8090/files/96075796388.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/0360/8214/files/download_materi_akuntansi_keuangan_lanjutan_1.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/6241/1942/files/zidinid.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7628/7648/files/sorudovedotubip.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/pewugokujugiwiburonanas.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/6397/4805/files/birimot.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/51108684678.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/3358/2998/files/zejujin.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_off00008093.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8093 | 5508 bytes |
SHA-256: 3c305d6f28e3500dae4f229355d58bc1015e7b7d41091ddc884c1622b9ea270c |
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font_01_sfnt_off0000933a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x933A | 9836 bytes |
SHA-256: 183620429cef91993df7fb51b197d9ef90fbb68d2ccee285d9a75cece7efc289 |
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