MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a large number of external PDF links, suggesting an SEO manipulation or link farm tactic. One of the embedded URLs, 'https://ttraff.cc/pify?keyword=cyanogenmod+14.+1+android+version', is identified as a known malicious redirector. 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=cyanogenmod+14.+1+android+version
- http://files.modernhomebuyers.us/uploads/1/3/1/6/131606874/butelesaxesuxazaw.pdf
- http://files.meteamusic.org/uploads/1/3/1/0/131070523/kukobixazatumaw-defeleniketuduj-rirajare-xulaliziduzuku.pdf
- http://files.merdeen2.com/uploads/1/3/0/9/130969808/bipuf.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0439/0469/6472/files/fubabisutod.pdf
- https://cdn.shopify.com/s/files/1/0429/3804/0487/files/vyapari_mitra_in_marathi.pdf
- https://cdn.shopify.com/s/files/1/0427/6954/7431/files/winrar_terbaru_2019_bagas31.pdf
- https://cdn.shopify.com/s/files/1/0432/5136/8104/files/modern_biology_textbook_free_download.pdf
- https://cdn.shopify.com/s/files/1/0434/1622/3906/files/drawing_prisms_and_pyramids_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0431/2137/7434/files/7307574501.pdf
- https://cdn.shopify.com/s/files/1/0439/4736/0414/files/hdpe_sheet_extrusion_welding.pdf
- https://cdn.shopify.com/s/files/1/0436/5985/3977/files/kubimezarukipirepiluko.pdf
- https://cdn.shopify.com/s/files/1/0440/5320/1046/files/icloud_icon_for_android.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_off000063fc.bin6da6e2f9fbf47032b44b2bd80b498c93d5ff3d1b184af4201cbe3905617b9ced |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63FC | 5352 bytes |
font_01_sfnt_off00007638.bin153d95a72c27c6e2fa43637202cd55d1c9e5c65a97b6507b3b470592cdd2aa0c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7638 | 10072 bytes |
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