MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text referencing 'AP edition calculus 10e pdf' and a URL that appears to be part of a link farm designed to attract traffic. The presence of a malicious redirector link indicates an attempt to lead the user to a harmful destination.
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=ap+edition+calculus+10e+pdf
- http://files.five16filmfestival.com/uploads/1/3/1/3/131398334/nulotirizixo.pdf
- http://files.mradlertzhs.com/uploads/1/3/1/8/131871740/6934514.pdf
- http://files.ethelbustamante.net/uploads/1/3/0/8/130814644/serapu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/degejuwetisagemudow.pdf
- https://cdn.shopify.com/s/files/1/0437/6074/6648/files/kartilya_ng_katipunan_summary.pdf
- https://cdn.shopify.com/s/files/1/0435/8491/3565/files/14532757694.pdf
- https://cdn.shopify.com/s/files/1/0430/1019/5605/files/30391621636.pdf
- https://cdn.shopify.com/s/files/1/0437/1755/8426/files/standard_phonetic_alphabet.pdf
- https://cdn.shopify.com/s/files/1/0433/8784/6806/files/6707146421.pdf
- https://cdn.shopify.com/s/files/1/0434/1448/7190/files/kulasekosawata.pdf
- https://cdn.shopify.com/s/files/1/0437/3970/9589/files/billie_eilish_i_love_you_piano_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0431/0306/0128/files/72511965333.pdf
- https://cdn.shopify.com/s/files/1/0431/9051/7911/files/great_gospel_ff7.pdf
- https://cdn.shopify.com/s/files/1/0430/8133/4933/files/vilolisaroboleku.pdf
- https://cdn.shopify.com/s/files/1/0427/9900/5863/files/concone_trumpet.pdf
- https://cdn.shopify.com/s/files/1/0435/9569/4239/files/ubuntu_install_webmin.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_off00004655.bin8d798a700e4f0765d1f1999913252b6727792e12387549a456d1bd1dd072186a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4655 | 5236 bytes |
font_01_sfnt_off00005835.bin0b406592cfd20f0c1a0ba151f03c3cf973b58ac313c012e50f8b14fe9d887013 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5835 | 9240 bytes |
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