MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.ru, which is presented as an answer key for an ecological problems activity. This suggests a phishing or scam attempt to direct users to malicious content. The ML classifier strongly flagged this PDF as malicious, and the presence of a link farm further supports malicious intent. 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.ru/pify?keyword=climatograph+activity+ecological+problems+answer+key
- http://pilatuf.thetri-fectagroup.com/uploads/1/3/1/4/131410685/8513300.pdf
- http://files.sandiegodrumsetlessons.com/uploads/1/3/0/9/130969712/vawabakujodo.pdf
- http://files.southtexashomespun.com/uploads/1/3/0/8/130874522/7313486.pdf
- http://files.rhondamills.com/uploads/1/3/1/3/131383775/berakojazinet.pdf
- https://cdn.shopify.com/s/files/1/0433/3495/9259/files/jamituno.pdf
- https://cdn.shopify.com/s/files/1/0429/1395/6006/files/fepavaxemoro.pdf
- https://cdn.shopify.com/s/files/1/0431/4526/5318/files/96580479798.pdf
- https://cdn.shopify.com/s/files/1/0435/7141/3155/files/cheat_codes_gta_5_ps3.pdf
- https://cdn.shopify.com/s/files/1/0432/6011/7160/files/what_happened_to_kissanime.pdf
- https://cdn.shopify.com/s/files/1/0434/2385/8845/files/cerfa_taxe_formation_professionnelle.pdf
- https://cdn.shopify.com/s/files/1/0432/2574/3515/files/makobevife.pdf
- https://cdn.shopify.com/s/files/1/0431/3815/4653/files/ledifoxukiburenenegupax.pdf
- https://cdn.shopify.com/s/files/1/0446/0825/8211/files/data_structures_and_algorithms_in_python_solutions.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_off0000671f.binc32623ec0f99ae3045b2b35d1b978b880ca839250dd633c0f32022e2958aed9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x671F | 5616 bytes |
font_01_sfnt_off00007a26.bin783ffa2c00b81d9fcb1b2f4587353d9d03e7297a2314fe5a2037de91750d5457 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A26 | 10060 bytes |
font_02_sfnt_off00009c92.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C92 | 4324 bytes |
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