Malware Insights
The sample is a PDF file containing a significant number of embedded links. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic indicates that at least one link points to known malicious redirector infrastructure (ttraff.com). The PDF_SEO_LINK_FARM heuristic suggests a large number of external links, many hosted on cdn.shopify.com, which are likely used to artificially inflate search engine rankings or distribute malicious content. The ML_NYX_PDF_MALICIOUS classifier strongly supports the malicious nature of the file. No scripts were extracted, but the extensive link farm and redirector usage point towards a delivery mechanism for phishing or malware.
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=bala+song+ming
- http://xekepad.roundbay.com/uploads/1/3/1/8/131856917/gosokomo.pdf
- http://files.mombabymelts.com/uploads/1/3/0/7/130775968/1449556.pdf
- http://files.silverswordgoldenretrievers.com/uploads/1/3/1/1/131163834/bb2d119ec.pdf
- https://cdn.shopify.com/s/files/1/0431/5804/4827/files/26394485806.pdf
- https://cdn.shopify.com/s/files/1/0439/7993/1806/files/speak_english_fluently_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/7315/8806/files/letusovujevuge.pdf
- https://cdn.shopify.com/s/files/1/0430/0704/9877/files/bauhn_cordless_headphones_manual.pdf
- https://cdn.shopify.com/s/files/1/0438/9493/1624/files/fnma_student_loan_payment_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0437/0484/4442/files/check_if_string_contains_substring.pdf
- https://cdn.shopify.com/s/files/1/0430/1943/6195/files/labojomatid.pdf
- https://cdn.shopify.com/s/files/1/0433/1231/6584/files/woliriwejum.pdf
- https://cdn.shopify.com/s/files/1/0427/6181/4172/files/navunezutofejefefosexemer.pdf
- https://cdn.shopify.com/s/files/1/0440/2819/9062/files/45390285998.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_off0000446a.bina323c95dbbc5f1b07151b56c6b31aae73102f76de822833e43d3fde27e68d56a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x446A | 4956 bytes |
font_01_sfnt_off00005535.bin916bbad818432b4c2395c53d4b00955ef7583571fe089578bc5fe6e11e02750c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5535 | 9888 bytes |
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