MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains a link to a known malicious redirector, which is likely intended to deliver a payload. The presence of a 'download button' heuristic further supports the attack pattern of luring the user to download a file. The document body, though heavily obfuscated, contains URLs that are consistent with this malicious workflow.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=psiphon+pro+handler+apk
- http://files.kimberlydeanne.com/uploads/1/3/1/8/131856664/xuzonefuwe.pdf
- http://files.yummyandcompany.com/uploads/1/3/2/7/132712093/kaxesatasetete.pdf
- http://files.missrosieweddingsandevents.com.au/uploads/1/3/1/4/131453194/0cacec15fe3.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/9018/2297/files/51123302216.pdf
- https://cdn.shopify.com/s/files/1/0430/4669/9165/files/15297263472.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wugituvunajobi.pdf
- https://cdn.shopify.com/s/files/1/0432/2135/2606/files/98885451544.pdf
- https://cdn.shopify.com/s/files/1/0431/2052/5476/files/xagofu.pdf
- https://cdn.shopify.com/s/files/1/0440/9724/1240/files/kotegefokolasodipinu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/73768917897.pdf
- https://cdn.shopify.com/s/files/1/0433/1339/7924/files/liwuweravizena.pdf
- https://cdn.shopify.com/s/files/1/0427/9474/6023/files/66269234465.pdf
- https://cdn.shopify.com/s/files/1/0433/7978/5886/files/53758436256.pdf
- https://cdn.shopify.com/s/files/1/0437/4275/7029/files/21578790193.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_off00005d1c.bin6652a77e034e3f6ac7624a6be4b30e345ae2673a738e663ee600243cefc24fbf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D1C | 5112 bytes |
font_01_sfnt_off00006e75.bin595084a024154802f141437e008da1efa4de67172d55f4ab4801af85ef53d6f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E75 | 11524 bytes |
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