MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link that redirects to a malicious URL, likely for phishing or malware distribution, disguised as a product document. The ML classifier strongly indicated maliciousness. The presence of embedded URLs and the redirection to known malicious infrastructure suggest an attempt to trick the user into visiting a harmful site, potentially for credential harvesting or further payload delivery.
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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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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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=castrol+edge+turbo+diesel+titanium+5w+40+pdf In PDF document text
- http://files.ibteens.net/uploads/1/3/1/3/131383358/faxurugisuvuvef.pdfIn PDF document text
- http://files.mmjhorchestra.org/uploads/1/3/0/7/130776131/wuderezu_fibasopegijo_tijemide.pdfIn PDF document text
- http://files.rootedlifecoach.com/uploads/1/3/2/6/132681971/juketuzuloxivux.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/1/0431/6931/7013/files/2296858632.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/5618/4992/files/40644408277.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/5808/6559/files/61922049610.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3640/8982/files/91222213029.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6196/8025/files/rutofolo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/8300/5078/files/48852175051.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/0112/4760/files/lirofufiritarozaken.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0428/8184/3353/files/5234739698.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/5109/0077/files/12318985288.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/5747/8809/files/56198372107.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/3886/6584/files/va_form_28-_1900.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0429/0514/1411/files/vadezane.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0439/8769/7822/files/zobow.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0222/3013/files/refisixol.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/7511/6960/files/taweterovomalupiberew.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_off00004fdd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4FDD | 5852 bytes |
SHA-256: 6c6e2bdb5b825e57b6bc96c1969bb1e549ad75430106fb6e07655ac04cde2aa4 |
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font_01_sfnt_off000063c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63C4 | 11344 bytes |
SHA-256: c36fa23f034f4889425369c427d912f0738e81441b5922c491813d884db0f72e |
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