MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link that redirects to a known malicious domain, masquerading as a torrent download. This is further supported by heuristics indicating a malicious redirector link and a link farm. The ML classifier also strongly flagged this PDF as malicious. The primary IOC is the malicious redirector URL.
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.com/pify?keyword=finding+dory+torrent+download
- http://balupuv.claudiacomerci.com/uploads/1/3/0/7/130739678/ece470df0.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://cdn.shopify.com/s/files/1/0430/7773/0464/files/57269085382.pdf
- https://cdn.shopify.com/s/files/1/0431/9943/0815/files/92912269863.pdf
- https://cdn.shopify.com/s/files/1/0433/6409/0006/files/juganuwonogopi.pdf
- https://cdn.shopify.com/s/files/1/0429/5580/0732/files/gokebunotebevukafosaz.pdf
- https://cdn.shopify.com/s/files/1/0434/6619/5106/files/bezixizowepufekagop.pdf
- https://cdn.shopify.com/s/files/1/0438/8945/9368/files/vivivulekatoxorerabiko.pdf
- https://cdn.shopify.com/s/files/1/0428/0002/1667/files/91456419115.pdf
- https://cdn.shopify.com/s/files/1/0431/4028/4583/files/careplus_authorization_form.pdf
- https://cdn.shopify.com/s/files/1/0454/2785/1422/files/borges_libros_gratis.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000057bb.bin95577839b2b4f298406dffd18f10d825fb3107c357c58bfe243ff765ff3995f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57BB | 4752 bytes |
font_01_sfnt_off000067fb.binc0fbd242ece87046e4e94032fd871eb1e9b1d47dc655b366b62e717155a7e49e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67FB | 10424 bytes |
font_02_sfnt_off00008b8b.bin7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B8B | 4324 bytes |
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