MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text suggesting it is a submission form, likely a lure to encourage clicks on the malicious URL. 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.ru/pify?keyword=box+tops+submission+forms
- http://sopisu.jenkatz-buonincontro.com/uploads/1/3/1/1/131164250/4717401.pdf
- http://sival.motorcycletheworld.com/uploads/1/3/1/3/131380429/wugikam.pdf
- http://files.mrwhitchermath.com/uploads/1/3/1/6/131607131/ruwofujep_subodoja.pdf
- http://xuposiwaf.hotpinktravel.com/uploads/1/3/1/6/131607131/cf4f429406.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/9717/0847/files/biology_notes_in_english_for_ssc_cgl.pdf
- https://cdn.shopify.com/s/files/1/0436/4333/8912/files/satonozala.pdf
- https://cdn.shopify.com/s/files/1/0431/5699/6260/files/pumunapaw.pdf
- https://cdn.shopify.com/s/files/1/0437/2017/9864/files/jowadi.pdf
- https://cdn.shopify.com/s/files/1/0440/4844/9686/files/mezude.pdf
- https://cdn.shopify.com/s/files/1/0431/6938/2557/files/tojujepanuzenugapuga.pdf
- https://cdn.shopify.com/s/files/1/0437/3915/2535/files/pubakonun.pdf
- https://cdn.shopify.com/s/files/1/0434/5259/6374/files/tesujidak.pdf
- https://cdn.shopify.com/s/files/1/0434/1691/2037/files/sumuzabamikonusisiror.pdf
- https://cdn.shopify.com/s/files/1/0431/4651/0504/files/jurnal_penelitian_titrasi_argentometri.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_off00006eb3.bin953f34d4dde7adf032c1851b94949df0096b179f41b6052b748d3b5bfa4eff90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EB3 | 5060 bytes |
font_01_sfnt_off00007fd6.binefaaa97cdf8e44b998babef301fb4dbd879bc9e409d25c8917a5019288379105 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FD6 | 10852 bytes |
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