MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to a redirector service known to host malicious content. The document body itself contains the primary malicious URL, 'https://ttraff.cc/pify?keyword=cnet+s+safe+site', which is designed to lure users into clicking through to potentially harmful sites. The ML classifier also strongly indicated maliciousness.
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.cc/pify?keyword=cnet+s+safe+site
- http://files.recoveringyourlife.com.au/uploads/1/3/2/7/132710780/7009429.pdf
- http://xenarux.oregonices.org/uploads/1/3/1/3/131380600/poxajemasekepad.pdf
- http://files.misshanson.com/uploads/1/3/1/4/131437799/9728721.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/79265304831.pdf
- https://cdn.shopify.com/s/files/1/0431/9140/2660/files/53803002079.pdf
- https://cdn.shopify.com/s/files/1/0434/1858/3192/files/wudisadodezivojobopofoxo.pdf
- https://cdn.shopify.com/s/files/1/0435/8956/6621/files/80171837284.pdf
- https://cdn.shopify.com/s/files/1/0437/3417/1797/files/buet_admission_question_2020_download.pdf
- https://cdn.shopify.com/s/files/1/0455/6567/3637/files/first_aid_for_burn.pdf
- https://cdn.shopify.com/s/files/1/0429/3686/0839/files/girlfriends_guide_to_divorce_uncle_tony.pdf
- https://cdn.shopify.com/s/files/1/0428/7204/5734/files/plus_minus_in_latex.pdf
- https://cdn.shopify.com/s/files/1/0430/4899/2922/files/nekolupobabuzalununafo.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_off00005de6.bind8243a2b9794ce97c6b5e8334ab8785c0798db2fa49c1f095d48a4dad91b4feb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DE6 | 4540 bytes |
font_01_sfnt_off00006d62.bin9f9764dc09165e68b4a7d387e46597118a9a973fc678726dfdea11c97396d299 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D62 | 10440 bytes |
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