MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One of these links, https://ttraff.com/pify?keyword=system+analysis+definition+pdf, is known to redirect to malicious infrastructure. The presence of numerous links suggests a link farm or SEO manipulation tactic, potentially to distribute malicious content or improve search engine ranking for malicious sites. No scripts were extracted from this sample.
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.com/pify?keyword=system+analysis+definition+pdf
- http://files.kumquatcoffee.com/uploads/1/3/0/8/130874369/xijasizikozasov.pdf
- http://files.homegrownhighways.com/uploads/1/3/1/3/131380773/xiwemu.pdf
- http://files.microcosmpodcast.org/uploads/1/3/2/6/132682232/a9db38ac7ad.pdf
- http://files.hicksandsonsjunkremoval.com/uploads/1/3/2/7/132740237/239841f.pdf
- http://files.marengowesleyan.com/uploads/1/3/2/6/132681602/favexakabaseref.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/81256704061.pdf
- https://cdn.shopify.com/s/files/1/0431/8006/4936/files/sejesotipofez.pdf
- https://cdn.shopify.com/s/files/1/0432/5287/5432/files/lord_you_are_always_here_with_me_chords.pdf
- https://cdn.shopify.com/s/files/1/0429/9695/7343/files/42427022104.pdf
- https://cdn.shopify.com/s/files/1/0437/7437/8142/files/blue_eyes_technology_in_ieee_format.pdf
- https://cdn.shopify.com/s/files/1/0432/2977/3982/files/fetudim.pdf
- https://cdn.shopify.com/s/files/1/0430/2536/7194/files/multivariate_analysis_using_spss.pdf
- https://cdn.shopify.com/s/files/1/0438/2919/8998/files/gokaniniborajadawidajud.pdf
- https://cdn.shopify.com/s/files/1/0434/3798/1852/files/40296494839.pdf
- https://cdn.shopify.com/s/files/1/0433/6399/1717/files/80116276955.pdf
- https://cdn.shopify.com/s/files/1/0429/6422/2101/files/dujavig.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_off00007281.bin452718b29169619d67de2b6a89ac9ca67958aca0090bb9710a62dbb1cecd8961 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7281 | 5296 bytes |
font_01_sfnt_off00008478.bin57dec6a99f666aae695b18f8c247d80e5bf15a35a9d864cc98fbe48ac3f47394 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8478 | 10372 bytes |
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