MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link leads to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that triggers the redirector. This suggests a lure to a malicious site, likely for phishing or to serve further 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.com/pify?keyword=oxford+picture+dictionary+english+japanese+pdf
- http://files.truloft.net/uploads/1/3/2/6/132695258/gavujomamik-birolisi-nivosipilez.pdf
- http://files.chatnoirartstudios.com/uploads/1/3/0/8/130814339/1414142.pdf
- http://files.omorikuratau.com/uploads/1/3/1/8/131871692/4975945.pdf
- https://cdn.shopify.com/s/files/1/0432/1456/9640/files/mititebufosowe.pdf
- https://cdn.shopify.com/s/files/1/0433/0507/4838/files/faput.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/89377355024.pdf
- https://cdn.shopify.com/s/files/1/0431/6400/8610/files/11513526099.pdf
- https://cdn.shopify.com/s/files/1/0430/8241/6281/files/32519412969.pdf
- https://cdn.shopify.com/s/files/1/0434/8729/7696/files/dimefenotino.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/94260126358.pdf
- https://cdn.shopify.com/s/files/1/0433/7369/1045/files/botrytis_cinerea_life_cycle.pdf
- https://cdn.shopify.com/s/files/1/0432/3144/5156/files/38137721123.pdf
- https://cdn.shopify.com/s/files/1/0431/9641/6160/files/62240086332.pdf
- https://cdn.shopify.com/s/files/1/0432/5264/6050/files/english_book_for_class_12_up_board.pdf
- https://cdn.shopify.com/s/files/1/0428/2672/7580/files/20234897386.pdf
- https://cdn.shopify.com/s/files/1/0431/0158/5570/files/pamevuxogoginipejisuxere.pdf
- https://cdn.shopify.com/s/files/1/0427/7207/0556/files/vixabelolimatexasod.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_off000066a9.bin5010f6c2058d75dae95df159d1480eed9148411db4f8925401901f6384c3320a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66A9 | 5688 bytes |
font_01_sfnt_off00007a0d.bin91195cc07394b26450ab40a43f457aac13fe2797f4e932df7eb3ab97cbb1d0fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A0D | 10468 bytes |
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