MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as an examiner's report, aiming to lure users to a malicious site. The PDF also hosts a large number of external links, many pointing to Shopify-hosted PDFs, suggesting a link farm SEO tactic to improve search engine ranking for malicious content. The ML classifier 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=examiner%2527+s+report+acca+f3
- http://files.marylandbuilders.org/uploads/1/3/2/6/132681194/vadigux.pdf
- http://files.katieluka.pl/uploads/1/3/0/9/130969999/nasimem.pdf
- http://files.gloriamindock.com/uploads/1/3/0/7/130775245/b59065e87c5.pdf
- http://todewugok.nightingaletrio.com/uploads/1/3/1/4/131453206/moxiluzoteja.pdf
- http://files.nessflett.com/uploads/1/3/0/7/130740444/5017995.pdf
- https://cdn.shopify.com/s/files/1/0436/1555/1645/files/bubegixuxuzizofolazizezaz.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tadigepulimo.pdf
- https://cdn.shopify.com/s/files/1/0432/0821/2638/files/tilolomubaxifuxe.pdf
- https://cdn.shopify.com/s/files/1/0438/1265/1170/files/jabitulubujanenumul.pdf
- https://cdn.shopify.com/s/files/1/0428/7827/1641/files/16767157985.pdf
- https://cdn.shopify.com/s/files/1/0434/1828/8284/files/41886863244.pdf
- https://cdn.shopify.com/s/files/1/0429/2270/5055/files/11286499769.pdf
- https://cdn.shopify.com/s/files/1/0434/6265/6152/files/autoclicker_cookie_clicker.pdf
- https://cdn.shopify.com/s/files/1/0437/8286/5047/files/flat_escort_card_template.pdf
- https://cdn.shopify.com/s/files/1/0429/6219/0499/files/futata.pdf
- https://cdn.shopify.com/s/files/1/0432/3108/4708/files/dijemenezusibefu.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/
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006f8b.bin05a37a34bb748fde9a2fc841d3bc1b366ed5481bd8fe40b7fda6df7be5a110ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F8B | 5140 bytes |
font_01_sfnt_off000080f0.bin1f63b943ce108daa749e07a83cbedbf7da78c7afefccb2fafb0d9a7c13231703 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x80F0 | 10380 bytes |
font_02_sfnt_off0000a403.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA403 | 4324 bytes |
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