MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by an ML classifier and contains a link to a known malicious redirector. The document body, though obfuscated, includes the target URL and a keyword suggesting a lure. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to attract traffic, likely for malicious purposes.
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/wb?keyword=pensum%20idiomas%20uasd%20pdf
- http://files.riverviewcharterschool.org/uploads/1/3/1/3/131380345/3f6e0434cd0.pdf
- http://files.communitymobilemarketorders.com/uploads/1/3/1/4/131438228/sebafexulutulek_figop_bobalipagu_masazinos.pdf
- http://files.fvmediacenter.org/uploads/1/3/0/7/130739780/42e15762d04a71.pdf
- http://files.benningtonbaseball.net/uploads/1/3/1/4/131454352/8730b5829cc.pdf
- http://files.anchorseminary.org/uploads/1/3/1/8/131871466/nefegutobus.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/5150/7094/files/sekopabe.pdf
- https://cdn.shopify.com/s/files/1/0437/2014/7112/files/sijonekovuvotipanazitase.pdf
- https://cdn.shopify.com/s/files/1/0430/8841/2836/files/69045002707.pdf
- https://cdn.shopify.com/s/files/1/0437/5812/5207/files/xalam.pdf
- https://cdn.shopify.com/s/files/1/0430/4607/6565/files/lakovadubudepolamegazuxe.pdf
- https://cdn.shopify.com/s/files/1/0428/8430/0959/files/23222874385.pdf
- https://cdn.shopify.com/s/files/1/0428/6421/4182/files/96564955386.pdf
- https://cdn.shopify.com/s/files/1/0429/2208/2460/files/46971750904.pdf
- https://cdn.shopify.com/s/files/1/0430/1943/6185/files/brand_identity_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0430/7235/6509/files/42617717559.pdf
- https://cdn.shopify.com/s/files/1/0428/0241/3735/files/autobiography_of_mahatma_gandhi_in_odia.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_off00005d3a.bin70fed8ea1f1331cffc0e0f8cc44ef93445553fd6b8d1b7334a88fe5a3f66376f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D3A | 5060 bytes |
font_01_sfnt_off00006e60.bind8b0d227e26a74edfa7eb6ff69f63b75c70edd62fc1cf2d9c0be78cfa385d72b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E60 | 10568 bytes |
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