MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to what appears to be a link farm designed to manipulate search engine results. One prominent URL, "https://ttraff.com/pify?keyword=cell+biology+multiple+choice+questions+pdf", is flagged as a malicious redirector. This suggests the document's primary purpose is to direct users to malicious infrastructure, likely for further exploitation or phishing.
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=cell+biology+multiple+choice+questions+pdf
- http://files.bearvalleymensministry.com/uploads/1/3/0/7/130775025/7990019.pdf
- http://files.texasavidoutdoors.com/uploads/1/3/1/4/131438216/nufofereg.pdf
- http://files.rchatierrasanta.com/uploads/1/3/1/3/131383892/vuzasolosuj.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/6891/5863/files/tokibuwivupuxefesi.pdf
- https://cdn.shopify.com/s/files/1/0437/9341/6349/files/matura_angielski_swka.pdf
- https://cdn.shopify.com/s/files/1/0430/9303/3117/files/88438596721.pdf
- https://cdn.shopify.com/s/files/1/0433/5170/3706/files/lowurekab.pdf
- https://cdn.shopify.com/s/files/1/0428/3580/4319/files/2003_honda_civic_hybrid_repair_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/8762/5369/files/86442193562.pdf
- https://cdn.shopify.com/s/files/1/0437/1510/0826/files/sims_4_beards.pdf
- https://cdn.shopify.com/s/files/1/0431/7895/0810/files/lazarozujosixusozot.pdf
- https://cdn.shopify.com/s/files/1/0428/3406/7615/files/32407876312.pdf
- https://cdn.shopify.com/s/files/1/0434/8733/0464/files/80493733061.pdf
- https://cdn.shopify.com/s/files/1/0438/2674/1405/files/bitogexudagutowenepilala.pdf
- https://cdn.shopify.com/s/files/1/0428/3239/6447/files/light_gray_color_code.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000067f7.binbcffa53a804b80c9599c7ccd98a18de2eced60bc9318722209a59c3aa7385e34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67F7 | 5536 bytes |
font_01_sfnt_off00007aa4.bin1e74a0e531b5264c06ed1517e01e102b7ad687fbb4bff3df065ec5e04c647c76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AA4 | 10480 bytes |
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