MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as a link to debate topics. The ML classifier strongly indicated maliciousness, and the PDF structure includes a mass external link farm, suggesting a phishing or redirection attempt. The primary malicious IOC is the redirector URL, which likely leads to a further stage of the attack.
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=debate+topics+for+university+students+pdf
- http://files.socialplannerevents.com/uploads/1/3/1/6/131606291/38a1c479bf5e.pdf
- http://files.erskinebadmintonclub.co.uk/uploads/1/3/2/7/132740511/ralibikik_polof_telubevizabop_borumisofekutav.pdf
- http://likutuxo.5-s-poodles.com/uploads/1/3/1/4/131438474/84bc00.pdf
- http://luvufubi.islandchamber.com/uploads/1/3/0/7/130776542/101a4fd6bcdf.pdf
- http://zitid.michaljwedding.com/uploads/1/3/0/7/130740387/rafuvegoso.pdf
- https://cdn.shopify.com/s/files/1/0433/4492/0734/files/82788873977.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/50036278562.pdf
- https://cdn.shopify.com/s/files/1/0445/4989/8399/files/biological_science_1.pdf
- https://cdn.shopify.com/s/files/1/0431/3258/4098/files/korirafododovidadewoxuxe.pdf
- https://cdn.shopify.com/s/files/1/0427/7701/8524/files/vikaduxojuwebuvixe.pdf
- https://cdn.shopify.com/s/files/1/0428/1643/8438/files/7843388394.pdf
- https://cdn.shopify.com/s/files/1/0433/6805/4940/files/bilukuregimumikonoloj.pdf
- https://cdn.shopify.com/s/files/1/0450/0403/0120/files/92212441618.pdf
- https://cdn.shopify.com/s/files/1/0431/4257/8332/files/substitution_and_elimination_method.pdf
- https://cdn.shopify.com/s/files/1/0438/3421/2509/files/cds_eligibility.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_off000065d6.bina24f9ec6f51400d66bb9136ea55b7d0d55ba80dc8f20c4d4c76f2842652b8263 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65D6 | 5420 bytes |
font_01_sfnt_off00007857.bind2f7d532d7676956c4c78c9db73cca37d45b771a7ce76877dc5b38aab1c5cd9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7857 | 10040 bytes |
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