MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to a link farm hosted on ttraff.cc. This heuristic, combined with the ML classifier flagging the PDF as malicious, strongly suggests a malicious intent to redirect users to potentially harmful content. The document body itself is heavily obfuscated and contains the primary redirect 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.cc/pify?keyword=analisi+logica+esercizi+pdf
- http://files.hilmarlumber.com/uploads/1/3/1/3/131379183/buvevapu.pdf
- http://files.thewackywitchcupcakecandlefactory.com/uploads/1/3/0/7/130739143/053ebd4.pdf
- http://files.drumvoice.org/uploads/1/3/0/8/130874451/gidek_gikovobo_zifaxexeka.pdf
- http://zikerepu.stearnsturns.com/uploads/1/3/0/7/130739777/f53424.pdf
- https://cdn.shopify.com/s/files/1/0428/3029/9292/files/72468909516.pdf
- https://cdn.shopify.com/s/files/1/0435/3025/6536/files/zalemabiraxamaxud.pdf
- https://cdn.shopify.com/s/files/1/0440/1519/0181/files/navodaya_answer_sheet_sample.pdf
- https://cdn.shopify.com/s/files/1/0437/3171/4199/files/wuwofekaxenumoru.pdf
- https://cdn.shopify.com/s/files/1/0439/2920/6939/files/49359415064.pdf
- https://cdn.shopify.com/s/files/1/0429/9853/0202/files/fekoj.pdf
- https://cdn.shopify.com/s/files/1/0431/7016/8986/files/jozokemo.pdf
- https://cdn.shopify.com/s/files/1/0428/4016/2460/files/actor_selva_movie.pdf
- https://cdn.shopify.com/s/files/1/0437/8938/5885/files/kafewedudeludibum.pdf
- https://cdn.shopify.com/s/files/1/0437/7303/4654/files/65777179287.pdf
- https://cdn.shopify.com/s/files/1/0428/2135/3635/files/visawirozepimufoke.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000a628.bin2a744aea0eb59f72b7b0ee74d85b32a4d09d653119713cb33aac84c6eedc9a4d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA628 | 5364 bytes |
font_01_sfnt_off0000b873.bin24fbb534e5c69d2256479455369c69c2b5b8b80524f93a3164948aebb6621832 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB873 | 11604 bytes |
font_02_sfnt_off0000de60.bin0318b400cbd4eb80818b7eb131bcca2e18f343f850c5eb1573e525fea31f4d56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE60 | 16204 bytes |
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