MALICIOUS
254
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment
T1059.001 Command and Scripting Interpreter: PowerShell
The PDF contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains a reference to 'curl http post' and a URL that aligns with the redirector. The presence of a link farm further suggests an attempt to distribute malicious content or phishing lures.
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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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.com/pify?keyword=curl+http+post In PDF document text
- http://files.holes4hope.com/uploads/1/3/1/3/131398123/tivebitedobukomurut.pdfIn PDF document text
- http://files.wjamesd.com/uploads/1/3/2/8/132816066/12906e98.pdfIn PDF document text
- http://files.brushandbranch.co/uploads/1/3/0/7/130740344/2297158.pdfIn PDF document text
- http://files.pawsacupuncture.com/uploads/1/3/2/6/132696104/nekola_gefewukulipez.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/1/0434/4663/2615/files/danganronpa_never_say_never_fanfiction.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/9752/2329/files/17728968936.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/0275/7281/files/25685005117.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3826/7809/files/15389286485.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/4932/0597/files/zetuxunakatubifapada.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/7865/4883/files/jurexepo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/3301/0081/files/noripuxo.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/4155/3575/files/norumugukuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/0428/7383/files/gojazezofujarejamimub.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mowajuvide.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/9204/0097/files/noxokudubabomiwajosowexi.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000696d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x696D | 4604 bytes |
SHA-256: 960bbd92246c70fbfa7f8c5f8d08fcef369fac5000d1b506a8744d58c2d1f499 |
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font_01_sfnt_off00007907.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7907 | 10472 bytes |
SHA-256: c6fcdaab97a8353972748f03dcb02c7f622b1e6cc776a303f6a351cf8bdac930 |
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font_02_sfnt_off00009d05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D05 | 16352 bytes |
SHA-256: 4c01831bdfffbafff55fd55c88415eb2201da44b622d6ec769a15ea8bc50db3f |
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