MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which point to external resources, including a known malicious redirector. The document body, though heavily obfuscated, contains a URL that leads to a malicious redirector, suggesting an attempt to direct users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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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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=in+service+training+for+teachers+narrative+report
- http://rimopuvux.cmcastillowriter.com/uploads/1/3/1/3/131380429/4101219.pdf
- http://nafatuma.jennycoffeycounseling.com/uploads/1/3/2/7/132710714/92081.pdf
- http://gudev.directinservicetraining.com/uploads/1/3/0/8/130874431/772184.pdf
- http://files.katherinegreenphotography.com/uploads/1/3/0/7/130776177/rivilibigazub.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/6650/7943/files/jifuwiwozanumatizi.pdf
- https://cdn.shopify.com/s/files/1/0432/6424/5925/files/dbz_movies_download.pdf
- https://cdn.shopify.com/s/files/1/0437/5946/8701/files/83015609432.pdf
- https://cdn.shopify.com/s/files/1/0434/9915/9718/files/25501848693.pdf
- https://cdn.shopify.com/s/files/1/0429/2804/6233/files/dorozunuzov.pdf
- https://cdn.shopify.com/s/files/1/0433/4642/8062/files/lezek.pdf
- https://cdn.shopify.com/s/files/1/0433/0032/3478/files/dugid.pdf
- https://cdn.shopify.com/s/files/1/0429/3296/1439/files/depth_first_search_javascript.pdf
- https://cdn.shopify.com/s/files/1/0433/9220/4950/files/jijifodowowab.pdf
- https://cdn.shopify.com/s/files/1/0427/4287/4278/files/the_alarm_band.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076d1.binb850251cb378ba069b361c4990c8bf68ef4d08a25228500b8c618da7e5d64643 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76D1 | 5240 bytes |
font_01_sfnt_off000088a8.bin1db20fd04e689d70bf808dd722b4cd79eec40883fba5818a065f8b26ef545ba7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x88A8 | 10080 bytes |
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