MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with a critical heuristic identifying a link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=html+to+pdf+library'. The document body, though heavily obfuscated, also contains this URL and other links pointing to Shopify domains, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to lure users to malicious sites.
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=html+to+pdf+library
- http://files.kpinst.org/uploads/1/3/2/8/132815343/pelufelulanigi.pdf
- http://files.alyssaleblancphotography.com/uploads/1/3/2/3/132303238/naroje_zuxoza_supusureridisig.pdf
- http://files.tatyanashealthblog.com/uploads/1/3/1/4/131454102/fixinenuvubirotupi.pdf
- https://cdn.shopify.com/s/files/1/0437/2883/0632/files/dahua_cctv_camera_price_list.pdf
- https://cdn.shopify.com/s/files/1/0447/8458/2813/files/mb_to_gb.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/65587220918.pdf
- https://cdn.shopify.com/s/files/1/0437/7313/2954/files/handwriting_practice_worksheets_a-_z.pdf
- https://cdn.shopify.com/s/files/1/0435/8547/0623/files/2004_vw_beetle_owners_manual.pdf
- https://cdn.shopify.com/s/files/1/0436/0349/3028/files/26948949913.pdf
- https://cdn.shopify.com/s/files/1/0430/6993/1671/files/88289177636.pdf
- https://cdn.shopify.com/s/files/1/0441/2129/2952/files/wwe_theme_song_2015.pdf
- https://cdn.shopify.com/s/files/1/0432/3095/3630/files/sibodapi.pdf
- https://cdn.shopify.com/s/files/1/0432/8967/3883/files/zuses.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005cdb.bine4804586c5f4206473f6a56790b8eaf84c63bf60b82fc4a4881780f086104eb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CDB | 5212 bytes |
font_01_sfnt_off00006e7c.bin2fc050771ae7709734e5b212d6a61ed263cbfa23d70cde4e50e3c9eb39473aa1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E7C | 9960 bytes |
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