MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure and a link farm. The embedded document body text, though partially corrupted, contains a URL that is also flagged as malicious. This suggests the document is designed to redirect users to malicious sites, likely as part of a phishing or scam campaign.
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=reading+comprehension+worksheets+pdf+grade+2
- http://files.canarysquare.com/uploads/1/3/0/7/130739780/luzuninupobo.pdf
- http://files.birth-roots.co.uk/uploads/1/3/1/4/131437454/pifesup.pdf
- http://files.robertjbrunet.com/uploads/1/3/1/3/131383826/fidasotapu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/6815/4278/files/roosa_master_injection_pump.pdf
- https://cdn.shopify.com/s/files/1/0433/4354/4488/files/78617959935.pdf
- https://cdn.shopify.com/s/files/1/0435/8206/2753/files/75076242444.pdf
- https://cdn.shopify.com/s/files/1/0436/5221/9030/files/faux_amis_anglais_francais.pdf
- https://cdn.shopify.com/s/files/1/0432/7541/9798/files/pigigajugewikafimenevan.pdf
- https://cdn.shopify.com/s/files/1/0431/2711/1841/files/38385120809.pdf
- https://cdn.shopify.com/s/files/1/0433/6526/9669/files/16210078446.pdf
- https://cdn.shopify.com/s/files/1/0437/4511/6311/files/tosuzadiwixoz.pdf
- https://cdn.shopify.com/s/files/1/0431/7849/2072/files/mikib.pdf
- https://cdn.shopify.com/s/files/1/0432/5320/3102/files/17735627074.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_off000060c7.bin73f2b24533013db9736f0e7f7a9593869b56c66c1d58d08bb5298e6680cfa02b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x60C7 | 5832 bytes |
font_01_sfnt_off0000749a.bin235fef634d0366d2c4eee9f06b575f9635761bff48b8a712910bffc4e094d9c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x749A | 10080 bytes |
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