MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link to a known malicious redirector, ttraff.cc, which is designed to lure users into downloading potentially malicious content. The document body text and embedded URLs suggest a social engineering attempt to trick users into downloading a 'CCNA study guide PDF'. The ML classifier strongly supports the malicious verdict.
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=ccna+study+guide+pdf+download
- http://vinumutik.gracehousebrunswick.org/uploads/1/3/0/8/130874493/6191304.pdf
- http://files.seedoflifeholistichealth.com/uploads/1/3/2/3/132302833/3328527.pdf
- http://files.kiddibeat.co.za/uploads/1/3/1/6/131637308/nedigomuvosopew.pdf
- http://files.lattinandsons.com/uploads/1/3/0/7/130775939/limelowimi.pdf
- https://cdn.shopify.com/s/files/1/0435/7357/5841/files/12119899670.pdf
- https://cdn.shopify.com/s/files/1/0429/1490/6275/files/bapilapixapiresofujujatex.pdf
- https://cdn.shopify.com/s/files/1/0428/2381/1239/files/webem.pdf
- https://cdn.shopify.com/s/files/1/0435/9431/7981/files/diebold_atm_manual.pdf
- https://cdn.shopify.com/s/files/1/0432/8570/8968/files/lejojajulis.pdf
- https://cdn.shopify.com/s/files/1/0434/2376/0536/files/xuxuvolezuvelut.pdf
- https://cdn.shopify.com/s/files/1/0438/7235/4459/files/antigone_holt_mcdougal.pdf
- https://cdn.shopify.com/s/files/1/0430/1471/7597/files/sunijizajutedobotim.pdf
- https://cdn.shopify.com/s/files/1/0436/2623/4009/files/vertical_farming_guide.pdf
- https://cdn.shopify.com/s/files/1/0433/7372/3800/files/rikujulifunikovuwizoju.pdf
- https://cdn.shopify.com/s/files/1/0430/8772/4704/files/rolofomogizezil.pdf
- https://cdn.shopify.com/s/files/1/0430/7327/4018/files/tamemaxusowor.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_off00005dd5.bin9ebd1248228cf4e97ac9385e76b009b004144379eb3d9dee29d44a17668a2686 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DD5 | 5324 bytes |
font_01_sfnt_off00007026.bin7469304e8f9a12a0e5059755e458ea428b1da70c8244fe530e90463b4935f34f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7026 | 10104 bytes |
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