MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to a link farm designed to redirect users to malicious infrastructure. One prominent malicious redirector URL is https://ttraff.com/pify?keyword=chinatown+movie++mp4, which is presented in the document body. The ML classifier strongly indicates maliciousness, and the PDF structure suggests an attempt to disguise malicious links as legitimate content.
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=chinatown+movie++mp4
- http://resiferim.allsaintshighwycombe.org/uploads/1/3/0/7/130776819/lupane_wepomegijumev_nolab_kukawez.pdf
- http://files.inibus.co/uploads/1/3/2/7/132711966/pavagu.pdf
- http://files.ronkachelmeier.com/uploads/1/3/1/4/131406947/jedasuripupidarej.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0445/5114/3588/files/brgschaft_wohnung_muster.pdf
- https://cdn.shopify.com/s/files/1/0432/6640/8603/files/manual_casio_fx_570ms.pdf
- https://cdn.shopify.com/s/files/1/0429/8578/3455/files/55153555511.pdf
- https://cdn.shopify.com/s/files/1/0431/6535/2093/files/gidoxidim.pdf
- https://cdn.shopify.com/s/files/1/0462/4079/2727/files/celulas_falciformes_anemia.pdf
- https://cdn.shopify.com/s/files/1/0434/7727/0692/files/c_vs_k_worksheets.pdf
- https://cdn.shopify.com/s/files/1/0437/8509/3272/files/rupotawunun.pdf
- https://cdn.shopify.com/s/files/1/0431/7400/2848/files/riwakakonek.pdf
- https://cdn.shopify.com/s/files/1/0438/1540/3682/files/clinical_examination_book.pdf
- https://cdn.shopify.com/s/files/1/0429/5933/9674/files/13156667602.pdf
- https://cdn.shopify.com/s/files/1/0428/8364/5599/files/29402733509.pdf
- https://cdn.shopify.com/s/files/1/0432/7827/0619/files/9377918363.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_off000062ec.bin4dab54cbc721fdac537c1f06fbbc70a2ef29e5664c8f73fb35d4a920a3ff9a7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62EC | 4900 bytes |
font_01_sfnt_off00007389.bin4cc26fe0dd2cf740f217d694a2130196c19f73659a7dcf4e2a202e6c0faa72c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7389 | 10552 bytes |
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