MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a lure for a 'free apk download' which redirects to a malicious URL. It also contains a large number of external links, many of which point to benign Shopify URLs but one is a known malicious redirector. The ML classifier strongly indicates maliciousness, and the embedded links suggest a link-farming or redirection-based attack.
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=go+battery+saver+pro+apk+free
- http://files.vickijettterry.com/uploads/1/3/1/4/131408100/8358140.pdf
- http://files.ahealingplacespringfield.com/uploads/1/3/2/8/132814086/zebukabeborojiro.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/8499/7017/files/45910132591.pdf
- https://cdn.shopify.com/s/files/1/0429/8987/9445/files/80555836696.pdf
- https://cdn.shopify.com/s/files/1/0438/9008/1944/files/fevukovaduvex.pdf
- https://cdn.shopify.com/s/files/1/0431/3281/3469/files/94334639878.pdf
- https://cdn.shopify.com/s/files/1/0431/1023/6314/files/uninformed_search_algorithm_in_artificial_intelligence.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/symfony_toric_calculator.pdf
- https://cdn.shopify.com/s/files/1/0430/8251/4585/files/75764587567.pdf
- https://cdn.shopify.com/s/files/1/0434/2454/6972/files/sap_accounting_tutorial.pdf
- https://cdn.shopify.com/s/files/1/0439/6669/3534/files/zorekobevowafumexupesuv.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004d89.bin02d2ce041d97bbc2adadaf3d4db485a0a922f1ef14b8d54f44694733a8ecc207 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4D89 | 5260 bytes |
font_01_sfnt_off00005f95.bin5656fee51f3c641bfda82ff71297a449e305e7a8d5d2f689946f70348a4329c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F95 | 10068 bytes |
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