MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links, with a critical heuristic firing for a malicious redirector. The document body, though partially corrupted, includes the text 'Complete calisthenics free pdf' and the malicious URL https://ttraff.cc/pify?keyword=complete+calisthenics+free+pdf, suggesting a lure to download potentially harmful 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=complete+calisthenics+free+pdf
- http://files.tasmanunited.nz/uploads/1/3/0/8/130874328/4484027.pdf
- http://files.centralanimalhospital.org/uploads/1/3/1/3/131380623/xukufetakasadagin.pdf
- https://cdn.shopify.com/s/files/1/0434/1438/8888/files/fokozu.pdf
- https://cdn.shopify.com/s/files/1/0435/3789/1480/files/lift_master_opener_model_1260.pdf
- https://cdn.shopify.com/s/files/1/0434/5652/8544/files/85037424614.pdf
- https://cdn.shopify.com/s/files/1/0430/8910/0957/files/79148008694.pdf
- https://cdn.shopify.com/s/files/1/0432/9753/8203/files/automatically_save_attachments_in_outlook.pdf
- https://cdn.shopify.com/s/files/1/0433/9964/3297/files/siwudasuragoxutakon.pdf
- https://cdn.shopify.com/s/files/1/0444/2416/7591/files/jzyk_angielski_dla_gimnazjalisty._gramatyka.pdf
- https://cdn.shopify.com/s/files/1/0430/8720/0418/files/nfpa_30_2015_free_download.pdf
- https://cdn.shopify.com/s/files/1/0433/7028/3173/files/31813408717.pdf
- https://cdn.shopify.com/s/files/1/0430/8280/9508/files/customary_law_noun.pdf
- https://cdn.shopify.com/s/files/1/0431/3530/3831/files/effortless_english.pdf
- https://cdn.shopify.com/s/files/1/0434/4109/4817/files/dazemexo.pdf
- https://cdn.shopify.com/s/files/1/0429/1746/2182/files/571398575.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_off0000664a.bindab524efff8959e27b399a46a5ad6fe318bacec3094d157b92294c24ccacbe40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x664A | 5300 bytes |
font_01_sfnt_off0000781c.bin56d8e79e5d5e1930b7cbf49e2731ccf77135a1907798f3226259210559d2f268 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x781C | 10204 bytes |
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