MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious due to a critical heuristic identifying it as a redirector link to known malicious infrastructure. It also contains a large number of external links, characteristic of a link farm. The embedded URL points to a redirector service, which likely leads to a phishing page or malware download. The document body contains garbled text but includes the same suspicious URL.
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=keith+johnson+acoustic+and+auditory+phonetics+pdf
- http://files.cozycatsanddogs.com/uploads/1/3/1/4/131406662/17b591e95d.pdf
- http://files.anmhomedecorandmore.com/uploads/1/3/2/8/132814906/geralawevixopud.pdf
- http://files.barbariancrossfit.com/uploads/1/3/1/4/131437736/dunero.pdf
- https://cdn.shopify.com/s/files/1/0434/4456/8216/files/project_business_case_example.pdf
- https://cdn.shopify.com/s/files/1/0428/9075/6252/files/71060489809.pdf
- https://cdn.shopify.com/s/files/1/0429/8113/0394/files/65630402347.pdf
- https://cdn.shopify.com/s/files/1/0434/3591/7464/files/8334952932.pdf
- https://cdn.shopify.com/s/files/1/0435/4641/1162/files/3507897391.pdf
- https://cdn.shopify.com/s/files/1/0434/1222/6206/files/romeo_juliet.pdf
- https://cdn.shopify.com/s/files/1/0428/2309/0343/files/moxewe.pdf
- https://cdn.shopify.com/s/files/1/0428/0372/4455/files/nufadisulani.pdf
- https://cdn.shopify.com/s/files/1/0433/1264/4251/files/95032768264.pdf
- https://cdn.shopify.com/s/files/1/0430/3106/8825/files/ruzasumevuvukejadati.pdf
- https://cdn.shopify.com/s/files/1/0432/7938/4744/files/limigopotatofirebik.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/64831632673.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_off00006839.bind4217b3e0c8de85498f58b9c66a91261b2ac5e121570e5ae15de1af395e7f1fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6839 | 5360 bytes |
font_01_sfnt_off00007a81.bin03dd9f19c5a93dfaed0a9e9bc10766439c9918d3c369ae46386e467983f50c8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A81 | 10264 bytes |
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