MALICIOUS
222
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link disguised as an invoice template, which redirects to a malicious URL identified as a redirector. The document body and heuristics indicate a lure for users to click on this link, likely leading to further malicious content or exploitation. The presence of numerous external PDF links also suggests a link farm or SEO manipulation tactic.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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=sample+invoice+template+for+services In PDF document text
- http://bewuzupug.molim.net/uploads/1/3/1/4/131406387/0f99804.pdfIn PDF document text
- http://bizobo.sideporchhandmadesoap.com/uploads/1/3/1/3/131380397/9937334.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://cdn.shopify.com/s/files/1/0437/5969/8077/files/vavabivor.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/2683/3823/files/call_and_put_options_examples.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/0316/6369/files/zexirikod.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3624/5142/files/equidad_de_genero_ensayo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4325/8522/files/36395734445.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/2353/2195/files/20419997367.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/6465/3984/files/56437769095.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/4605/0728/files/vivegagimezumobe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5863/4658/files/68094185438.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/1520/8098/files/25765948919.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9547/3822/files/xilifopi.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/9163/9968/files/excel_macro_vlookup_from_another_sheet.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/6297/6921/files/castellano_o_espaol.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006f05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F05 | 5112 bytes |
SHA-256: 2a6fe52b213cdd7f63e16072f18d03ca1147db118bdcea3ad17928faba5225f6 |
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font_01_sfnt_off00008045.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8045 | 10128 bytes |
SHA-256: b8b1fc3d3edc4cd86bd90c1c81e8d18e444a4e5219b704c95e754842adb55413 |
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font_02_sfnt_off0000a2d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA2D7 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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