MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a malicious redirector link disguised as an application form, which leads to a farm of other PDF documents. The ML classifier strongly indicated maliciousness, and the presence of numerous external links suggests a link-farming or redirection scheme. No scripts were extracted, but the document body contains embedded URLs that are part of the redirection chain.
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=amu+application+form+2019+for+class+9
- http://files.muscatdogadoption.com/uploads/1/3/0/7/130775612/xukamiveleroj-gowuwaminadiz-noduxuf.pdf
- http://files.daisychainkinsale.com/uploads/1/3/1/0/131069934/komezonugetebawum.pdf
- http://files.taiwanbeaches.com/uploads/1/3/1/3/131379894/3194218.pdf
- http://zekakix.westernhorseclub.com/uploads/1/3/1/3/131380213/xebenof.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/9083/5624/files/bododekugiv.pdf
- https://cdn.shopify.com/s/files/1/0431/8999/3636/files/digosotasotibimu.pdf
- https://cdn.shopify.com/s/files/1/0429/5675/1002/files/ashrae_1972_handbook_of_fundamentals.pdf
- https://cdn.shopify.com/s/files/1/0430/2936/4885/files/poetica_aristoteles_garcia_bacca.pdf
- https://cdn.shopify.com/s/files/1/0433/6150/1334/files/73014528701.pdf
- https://cdn.shopify.com/s/files/1/0432/3934/2248/files/if_nicolas_bourbaki.pdf
- https://cdn.shopify.com/s/files/1/0433/8191/5809/files/aritmetik_ortalama_ve_aklk_test.pdf
- https://cdn.shopify.com/s/files/1/0433/1667/4713/files/nosufududagiki.pdf
- https://cdn.shopify.com/s/files/1/0440/3301/5958/files/calculate_angle_between_two_vectors.pdf
- https://cdn.shopify.com/s/files/1/0440/5837/8392/files/54344734697.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_off000063e0.binbd3db171fe581b10c87c0976da0c6228ce21107fe6ab0f946daab6abffc4a3bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63E0 | 5632 bytes |
font_01_sfnt_off000076e9.bin5308e525cbc3f8cf8f88b9a738c02049a57dfe2ec5750a3dac43c13c620a04e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76E9 | 10192 bytes |
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