MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the same URL as the malicious redirector, suggesting an attempt to lure users to a malicious site. 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=punctuation+paragraph+exercises+for+grade+4+pdf
- http://files.drnathangrebe.com/uploads/1/3/0/7/130775727/5325747.pdf
- http://fovuri.da4d.org/uploads/1/3/0/7/130776760/gonefosuno-pibozo.pdf
- http://files.marriagecelebranthilaryvaneldik.com/uploads/1/3/1/4/131438604/fd1ceaf8a83c4f.pdf
- http://nozofevot.gnatproductions.com/uploads/1/3/1/0/131070161/73874c990ff.pdf
- http://files.michaelaadelineart.com/uploads/1/3/2/6/132681210/5965131.pdf
- https://cdn.shopify.com/s/files/1/0428/5241/7703/files/19729675425.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/35117459625.pdf
- https://cdn.shopify.com/s/files/1/0437/2358/7733/files/89356428420.pdf
- https://cdn.shopify.com/s/files/1/0436/3298/4222/files/36925160278.pdf
- https://cdn.shopify.com/s/files/1/0436/0149/4178/files/norumugezawepelosimo.pdf
- https://cdn.shopify.com/s/files/1/0431/5503/0170/files/highlight_text_in_on_ipad.pdf
- https://cdn.shopify.com/s/files/1/0431/9543/3117/files/26604919883.pdf
- https://cdn.shopify.com/s/files/1/0432/9822/6329/files/11756813835.pdf
- https://cdn.shopify.com/s/files/1/0429/4115/3439/files/84924067182.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_off00004d00.bin4033eb6c84168154862863724eb6937930d4a3cfb1851dce021fda33680033e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D00 | 5540 bytes |
font_01_sfnt_off00005fde.bin9c65073154a67233ecde1cbb2003af4fb4e61d9221bb86f68d72b1acfb178c0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FDE | 9400 bytes |
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