MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass external link farm, with the primary link directing to a known malicious redirector. The document body text and embedded links suggest a lure to download a PDF converter, which is likely a pretext for delivering malware. The ML classifier strongly supports the malicious nature of this PDF.
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=download+converter+pdf+to+word+nitro
- http://files.faithbaptiststacy.org/uploads/1/3/1/3/131383924/losepefim-xotuku-mebox.pdf
- http://files.painting4change.com/uploads/1/3/1/0/131070379/c133bd49.pdf
- http://files.jaidetimmgarcia.com/uploads/1/3/0/7/130775768/9d451.pdf
- https://cdn.shopify.com/s/files/1/0434/5951/0425/files/skyward_sword_gratitude_crystals.pdf
- https://cdn.shopify.com/s/files/1/0428/5644/8167/files/76853353847.pdf
- https://cdn.shopify.com/s/files/1/0438/3732/5472/files/evermotion_archinteriors_vol_44.pdf
- https://cdn.shopify.com/s/files/1/0430/8451/3440/files/79285043015.pdf
- https://cdn.shopify.com/s/files/1/0432/8436/5476/files/bediwotujeg.pdf
- https://cdn.shopify.com/s/files/1/0435/3441/8075/files/jotiwenokot.pdf
- https://cdn.shopify.com/s/files/1/0433/1651/0873/files/22931431199.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/puwojadudabub.pdf
- https://cdn.shopify.com/s/files/1/0436/1850/0765/files/kesivojofaneduz.pdf
- https://cdn.shopify.com/s/files/1/0431/7757/4557/files/41591582807.pdf
- https://cdn.shopify.com/s/files/1/0430/6314/8706/files/pifitesuwe.pdf
- https://cdn.shopify.com/s/files/1/0428/1873/2191/files/24147728123.pdf
- https://cdn.shopify.com/s/files/1/0429/4190/7100/files/bupexaragezobelazejobupe.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_off000046b1.bin162840dfc72c5ffd763a900958a4c0253249992a80df68a5ed3e125e31ba34a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x46B1 | 5120 bytes |
font_01_sfnt_off00005850.bin33a3bfc18dca38f0aef344b8d55f82c6046fe52e610bb36981533dcf063909f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5850 | 9524 bytes |
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