MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains numerous embedded links, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to 'Grignard reactions practice problems with answers pdf' and a URL pointing to a redirector. This suggests a phishing or social engineering attack aiming to direct users to malicious content.
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=grignard+reactions+practice+problems+with+answers+pdf
- http://files.punchlistms.com/uploads/1/3/0/8/130873922/xopidat_gakake_nenezavepos.pdf
- http://files.groveplaymakers.com/uploads/1/3/1/6/131607630/7819891.pdf
- http://zifag.rarebreednationllc.org/uploads/1/3/1/8/131856158/a069ae4.pdf
- http://gilik.corydixon.com/uploads/1/3/1/1/131163635/pibomilosomujugon.pdf
- http://jufowuxij.michellewardfinearts.com/uploads/1/3/0/7/130738970/benobudi.pdf
- https://cdn.shopify.com/s/files/1/0438/4571/4077/files/71198153036.pdf
- https://cdn.shopify.com/s/files/1/0436/8872/2587/files/biological_soil_and_water_conservation_measures.pdf
- https://cdn.shopify.com/s/files/1/0427/4742/9031/files/59135437973.pdf
- https://cdn.shopify.com/s/files/1/0431/6138/7170/files/wuwote.pdf
- https://cdn.shopify.com/s/files/1/0434/8638/0197/files/54189266890.pdf
- https://cdn.shopify.com/s/files/1/0433/0265/0014/files/2019_tamil_movies_in_isaimini._com.pdf
- https://cdn.shopify.com/s/files/1/0429/3266/6524/files/wilixezuwafarovubitimi.pdf
- https://cdn.shopify.com/s/files/1/0433/4397/0463/files/borarorepufovomeruzar.pdf
- https://cdn.shopify.com/s/files/1/0436/2820/0096/files/19201158488.pdf
- https://cdn.shopify.com/s/files/1/0431/3009/3728/files/ligikeboxota.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_off00007777.bin55ac65b9fe2939efedbf85488bba8bc026ccba4c4b705c1e233add0d1cc1915f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7777 | 5832 bytes |
font_01_sfnt_off00008b32.bin6245c6d2cf9ef39f74d95e994aaa616eaf6883dff252ec5c925447b34f14ff20 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8B32 | 10028 bytes |
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