MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass external PDF link farm, with many links pointing to benign Shopify URLs but one critical link to a known malicious redirector. The document body, though heavily obfuscated, appears to be a lure related to 'basic cambodian phrases pdf'. The primary attack vector is directing users to malicious infrastructure via embedded links.
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=basic+cambodian+phrases+pdf
- http://files.claystories.com.au/uploads/1/3/0/7/130738852/morafesiva-mesokuzafeja-lezukuruvalozi-begiferatiw.pdf
- http://files.forensicconsultingservices.com/uploads/1/3/1/4/131408620/movitotuwiz.pdf
- http://files.oscarbaptistchurch.com/uploads/1/3/1/4/131438418/menoxiwisosenimiza.pdf
- https://cdn.shopify.com/s/files/1/0429/4744/4903/files/vimusa.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dusegu.pdf
- https://cdn.shopify.com/s/files/1/0432/7846/7222/files/pabeledebeled.pdf
- https://cdn.shopify.com/s/files/1/0431/2812/7637/files/8389142604.pdf
- https://cdn.shopify.com/s/files/1/0439/6472/7454/files/69967963568.pdf
- https://cdn.shopify.com/s/files/1/0427/3651/7286/files/kumuzakituxeporitukeg.pdf
- https://cdn.shopify.com/s/files/1/0441/0540/0472/files/minivurefipumememobu.pdf
- https://cdn.shopify.com/s/files/1/0434/0236/3045/files/jisuberakuk.pdf
- https://cdn.shopify.com/s/files/1/0431/6348/4315/files/logibosigubaxod.pdf
- https://cdn.shopify.com/s/files/1/0435/8402/8833/files/bowasurifufavi.pdf
- https://cdn.shopify.com/s/files/1/0436/4537/0528/files/70580671500.pdf
- https://cdn.shopify.com/s/files/1/0438/6013/2005/files/sajazavogaragoxeri.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/
- https://cdn.shopify.com/s/files/1/0439/64
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000076e1.bin9197337088c85d0d1e8f39491785cfb03692ad5d545b10cdac48ccb8940f72a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76E1 | 5260 bytes |
font_01_sfnt_off0000886f.bindd29afafb25f2ed7b03fb9d26e74e6d17c1309db3522f8be0b3ffeaabcde4b7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x886F | 10276 bytes |
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