MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by a machine learning classifier and contains a critical heuristic indicating it redirects to known malicious infrastructure. The document body, though heavily obfuscated, contains URLs that are part of a link farm, suggesting an attempt to lure users to malicious sites. The primary malicious IOC is the redirector URL.
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=balance+sheet+analysis+software
- http://files.mydecorandgiftrep.com/uploads/1/3/0/9/130969800/nugumuposatoxuro.pdf
- http://files.macgregormath.com/uploads/1/3/1/4/131438869/tiwete.pdf
- http://files.sarasotacommunitychurch.org/uploads/1/3/0/8/130873869/1df01bcb2c.pdf
- http://files.superkickfoundation.org/uploads/1/3/1/4/131452952/wesowes.pdf
- http://files.petaciraolo.com/uploads/1/3/1/4/131437873/2699199.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/4302/7106/files/golosa_student_activities_manual_answers.pdf
- https://cdn.shopify.com/s/files/1/0437/9151/5805/files/acute_ischemic_stroke_imaging_and_intervention.pdf
- https://cdn.shopify.com/s/files/1/0435/3366/4408/files/rebivesogadulazut.pdf
- https://cdn.shopify.com/s/files/1/0434/0521/3847/files/wopokuzusipimixapuzadili.pdf
- https://cdn.shopify.com/s/files/1/0435/6289/3471/files/vulugu.pdf
- https://cdn.shopify.com/s/files/1/0433/9499/0231/files/85790323474.pdf
- https://cdn.shopify.com/s/files/1/0438/3352/4386/files/48869460567.pdf
- https://cdn.shopify.com/s/files/1/0430/0183/9775/files/kumexisodurumururi.pdf
- https://cdn.shopify.com/s/files/1/0432/0316/6369/files/54322292594.pdf
- https://cdn.shopify.com/s/files/1/0430/5790/5818/files/dopitakufisatotiwuwetogib.pdf
- https://cdn.shopify.com/s/files/1/0432/6067/4210/files/sukawe.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_off00006991.binba66fc81c7ec524c1109078a31789e1184c35fda41d244c47d87ab8d279e383f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6991 | 5212 bytes |
font_01_sfnt_off00007b54.bin45c8f2e1bb8e79a5e9936a95dbd5f0e0fd7d86bb6aa3c652bbade476fec1a1e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B54 | 10232 bytes |
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