MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a prominent link to 'https://ttraff.ru/pify?keyword=uc+browser+apk+pc+terbaru', which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and text related to 'Uc browser apk pc terbaru', suggesting a lure to trick users into clicking the malicious link. The PDF also hosts a large number of other links, many pointing to Shopify domains, likely as part of an SEO link farm to improve the ranking of the malicious redirector.
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.ru/pify?keyword=uc+browser+apk+pc+terbaru
- http://mixel.thepureprescription.com/uploads/1/3/1/6/131606289/7263308.pdf
- http://files.asl-universe.com/uploads/1/3/1/3/131383255/2584073.pdf
- https://cdn.shopify.com/s/files/1/0431/4192/2977/files/john_matthew_chapman.pdf
- https://cdn.shopify.com/s/files/1/0433/8073/6165/files/dugupezulinuruguruvu.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/20726054751.pdf
- https://cdn.shopify.com/s/files/1/0434/4584/6168/files/vertebral_joints.pdf
- https://cdn.shopify.com/s/files/1/0435/5312/8612/files/amsden_duets_bass_clef.pdf
- https://cdn.shopify.com/s/files/1/0429/4115/3439/files/83292652562.pdf
- https://cdn.shopify.com/s/files/1/0434/5289/1298/files/68954571902.pdf
- https://cdn.shopify.com/s/files/1/0433/6533/5190/files/sovural.pdf
- https://cdn.shopify.com/s/files/1/0440/2708/4965/files/24262869131.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tunamowari.pdf
- https://cdn.shopify.com/s/files/1/0433/0645/1094/files/3d_reader_adobe.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_off00005bfb.binfc7f615fca6f9769444e219b1668e9b4a42c7f5e2e6e863eda3f419afb3805d6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5BFB | 5184 bytes |
font_01_sfnt_off00006dbc.bin41d17f6e0d49316e216d09b6a978c588119cd43de67f5ad61d676830bd4784c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6DBC | 9996 bytes |
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