MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with one heuristic specifically identifying it as a link farm pointing to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and a URL that appears to be part of the malicious redirection scheme, suggesting an attempt to lead users to harmful content.
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=28+rules+subject+verb+agreement+pdf
- http://files.wataugacci.org/uploads/1/3/0/8/130874490/8075988.pdf
- http://files.bombayfrankiecompany.com/uploads/1/3/0/8/130813100/fuboduzo.pdf
- http://files.shaikheskander.com/uploads/1/3/1/4/131437313/ragevusi.pdf
- http://gorojolul.codycolliermusic.com/uploads/1/3/1/0/131070718/duwugezoveza-fepirud-mibobo-gogazix.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/4951/6199/files/prcticas_del_curso_de_economa_de_la_empresa._introduccin.pdf
- https://cdn.shopify.com/s/files/1/0431/6083/0116/files/28569252654.pdf
- https://cdn.shopify.com/s/files/1/0434/3182/1473/files/dunobo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wojifuxazax.pdf
- https://cdn.shopify.com/s/files/1/0435/2281/8200/files/ninapajete.pdf
- https://cdn.shopify.com/s/files/1/0431/5843/8039/files/gokemujazoxixilavizipotu.pdf
- https://cdn.shopify.com/s/files/1/0434/6177/1430/files/auditor_general_act.pdf
- https://cdn.shopify.com/s/files/1/0431/2668/5858/files/tirewinefixamasomamugatu.pdf
- https://cdn.shopify.com/s/files/1/0433/4383/9385/files/pojasazuwiwusagaba.pdf
- https://cdn.shopify.com/s/files/1/0438/4178/1920/files/blade_runner_director_s_cut_torrent.pdf
- https://cdn.shopify.com/s/files/1/0433/8984/5671/files/what_s_my_dns.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_off000066d0.binda790706f424de8f0c4853ca465127e929a73f7702cf61257111e9b9020847f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66D0 | 5984 bytes |
font_01_sfnt_off00007b22.bin59e3535e1ea1720812963765ecf49e71ad56a4d4b25fc1af9e254e26aee08448 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B22 | 10200 bytes |
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