MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though obfuscated, contains text related to 'kidney stone' and the malicious URL, suggesting a lure for a scam or phishing attempt. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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=kidney+stone+%25E0%25B8%2584%25E0%25B8%25B7%25E0%25B8%25AD+pdf In PDF document text
- http://gedim.hapia2013.org/uploads/1/3/1/6/131606490/xitim.pdfIn PDF document text
- http://files.nxtgenerationenergy.com/uploads/1/3/2/7/132740415/sodegebu.pdfIn PDF document text
- http://kifipaju.mysticaltuscanyretreat.com/uploads/1/3/2/7/132741555/c9c8da2c5bd.pdfIn PDF document text
- http://files.neverquitneverdie.org/uploads/1/3/1/4/131406258/xeduxi_pusuwigude_fomixugane.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.opentle.orgIn PDF document text
- https://cdn.shopify.com/s/files/1/0441/0349/9928/files/64724386043.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4573/2007/files/tutusulujajabuxe.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/0787/7017/files/strona_bierna_angielski_wiczenia_past_simple_present_simple.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/6196/8025/files/grant_cardone_sell_to_survive.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0453/9131/5112/files/buck_converter_operation.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/8388/8808/files/siselusatuf.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0431/5283/4717/files/primary_care_a_collaborative_practice_5th_edition_download.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0430/6275/5490/files/3765227115.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0435/9634/9602/files/97709389246.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0427/5650/5756/files/24335970548.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0438/5754/3328/files/84263410092.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0432/4317/6091/files/essentials_of_corporate_finance_9th_edition.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/3164/8661/files/fawaw.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0434/7019/2805/files/81719421312.pdfIn PDF document text
- https://cdn.shopify.com/s/files/1/0437/7808/0925/files/werajar.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
- http://www.gnu.org/licenses/gpl.htmlIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ae3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5AE3 | 4768 bytes |
SHA-256: 99285c1ce4f8bbf3dc5a448c2860a8fa66674124140dfe9f46762da7891e60a5 |
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font_01_sfnt_off00006b3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B3C | 6180 bytes |
SHA-256: 52355759f6ba1634ebf803835453c5f0cbcfa1783c35bff7bbad6af133335d0e |
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font_02_sfnt_off00007b38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7B38 | 6848 bytes |
SHA-256: 402d983e078277fb80b451e16c6cf522a9f41873e6144ebb283d942517bc9499 |
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font_03_sfnt_off00008d5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8D5E | 11100 bytes |
SHA-256: de029bad794181d07ce67d1c1c297152510fb009375cf17aff9b49e29a7b7d30 |
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