MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a malicious redirector link disguised as a search result for 'the firm penguin readers level 5 pdf'. The ML classifier strongly indicates maliciousness, and the presence of numerous external links, many pointing to Shopify, suggests a link farm or SEO poisoning tactic to distribute malicious content. The primary malicious IOC is the ttraff.com 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.com/pify?keyword=the+firm+penguin+readers+level+5+pdf
- http://files.rashinans.com/uploads/1/3/0/7/130739974/tukanidim-nipugiratez-mugulum.pdf
- http://files.toplinepriority.com/uploads/1/3/2/6/132695571/5962269.pdf
- http://files.eesforjobs.com/uploads/1/3/1/4/131406427/57f1767f43c.pdf
- http://files.ryannrase.com/uploads/1/3/2/7/132740499/3999358.pdf
- https://cdn.shopify.com/s/files/1/0431/2429/3794/files/how_to_speed_up_a_quicktime_video.pdf
- https://cdn.shopify.com/s/files/1/0428/1637/2892/files/18475987626.pdf
- https://cdn.shopify.com/s/files/1/0432/0254/3778/files/review_of_organic_functional_groups_lemke.pdf
- https://cdn.shopify.com/s/files/1/0436/0096/9890/files/brahm_kavach_paath_download.pdf
- https://cdn.shopify.com/s/files/1/0429/1428/3686/files/kijafoziwogugudojibawel.pdf
- https://cdn.shopify.com/s/files/1/0434/9257/3336/files/kurupa.pdf
- https://cdn.shopify.com/s/files/1/0441/2017/8840/files/modal_verbs_worksheets_for_grade_5.pdf
- https://cdn.shopify.com/s/files/1/0433/5370/2550/files/29247393203.pdf
- https://cdn.shopify.com/s/files/1/0440/2610/1910/files/wugosogajepidisojuduwusu.pdf
- https://cdn.shopify.com/s/files/1/0432/6454/0835/files/vocabulaire_anglais_aroportuaire_agent_d_escale.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_off0000435a.bin76b284b20ef81517d71db3353a52b431161b3d2d53377d6997ee3ed43f91875b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x435A | 5588 bytes |
font_01_sfnt_off0000563d.bin9096ea3b40c42d8973a1c6a09bc4ba29b1e50723edead533abd0843e7a75bcbe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x563D | 9676 bytes |
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